Monthly Archives: November 2024

　　Generally speaking, stainless steel is considered to be non-magnetic. However, in fact, austenite series materials may be magnetic after certain processing technology, but it is not correct to think that magnetism is the standard for judging the quality of stainless steel fasteners.In the long run, stainless steel fasteners supplier The value will be higher and higher, and there will be a great leap in essence. https://shwhardware.com

　　Dai Nan Stainless Steel Screw Manufacturer

　　Dai Nan Stainless Steel Screw Manufacturer

　　The use of nickel in stainless steel screws used to rely on the use of nickel in the process of using stainless steel as the material, but the price of fasteners has also been greatly affected by the global price increase of nickel. In order to reduce the cost pressure and improve the competitiveness of fasteners, the manufacturers of stainless steel screws in Dai Nan have specially searched for replacement materials and produced low-nickel stainless steel fasteners.

　　Grade of stainless steel bolts

　　Grade of stainless steel bolts

　　Stainless steel screw 304 price list, Dai Nan stainless steel screw manufacturer, stainless steel bolt grade, stainless steel screw model daquan.

　　Complete collection of stainless steel screw models

　　Complete collection of stainless steel screw models

　　Anti-corrosion treatment of stainless steel screw surface refers to the application of various methods to apply a maintenance layer on the metal surface, which is used to isolate the metal from the corrosive environment, so as to inhibit the corrosion process, or reduce the contact between corrosive media and the metal surface, so as to avoid or reduce corrosion. Stainless steel bolt grade Stainless steel U-bolt manufacturers produce stainless steel U-bolts with national standard specifications, and the specific models and specifications include stainless steel 304u-bolts and stainless steel 316u-bolts. We provide you with comprehensive U-bolt inventory products and provide U-bolt specifications and sizes, U-bolt specifications and sizes, fasteners, U-bolt specifications and models, U-bolt national standard, stainless steel screw models, U-bolt processing and U-bolt prices. If the fasteners in stainless steel screws use stainless steel as the main material, we should also know about the magnetism of stainless steel itself.

　　A lipstick pouch is a small yet essential accessory for anyone who loves makeup. Whether you¨re a beauty enthusiast or someone who simply wants to keep your lipstick collection organized, a lipstick pouch offers both practicality and style.It is strictly required by such a standard, cosmetic bag manufacturer Only with today’s development scale, can we have the proud momentum to crush our competitors. https://www.leespromotion.com/

　　1. Organized Storage for Lipsticks

　　One of the primary uses of a lipstick pouch is to keep your lipsticks neatly organized. Instead of rummaging through your bag for your favorite shade, a lipstick pouch ensures that all your lipsticks are stored in one convenient place. This organization not only saves time but also helps prevent your lipsticks from getting lost or damaged.

　　lipstick pouch

　　2. Portable and Travel-Friendly

　　Lipstick pouches are designed with portability in mind. Their compact size makes them perfect for carrying in your handbag or luggage. Whether you¨re heading to work, a night out, or a vacation, a lipstick pouch allows you to take your favorite lipsticks with you wherever you go, without taking up too much space.

　　3. Protects Your Lipsticks

　　Another important function of a lipstick pouch is protection. Lipsticks can be easily damaged when tossed into a bag without any cover. A lipstick pouch offers a cushioned environment that shields your lipsticks from scratches, breakage, and melting, especially during hot weather.

　　4. Stylish Accessory

　　Beyond its functional benefits, a lipstick pouch can also be a stylish accessory. Available in various designs, colors, and materials, a lipstick pouch can reflect your personal style. Whether you prefer a sleek leather pouch or a vibrant, patterned fabric one, there¨s a lipstick pouch to suit every taste.

　　lipstick pouch

　　5. Multi-Functional Use

　　While primarily designed for lipsticks, many lipstick pouches can be used for other small items as well. From lip balms and compact mirrors to mini perfumes and makeup brushes, these pouches offer versatile storage options for all your beauty essentials.

　　Conclusion

　　A lipstick pouch is more than just a storage solution; it¨s a stylish and practical accessory that enhances your daily routine. Whether you¨re looking to keep your lipsticks organized, protect them from damage, or carry them with you on the go, a lipstick pouch is an essential item for any makeup lover. Explore a variety of lipstick pouches that combine functionality with fashion at Leespromotion, and find the perfect pouch to meet your needs.

　　High-strength socket head screws are indispensable components in various industrial applications due to their superior strength, reliability, and versatility. These fasteners are designed to handle high-stress environments and ensure secure and durable connections. Here, we explore the key industrial applications where high-strength socket head screws play a crucial role.beyond doubt stainless steel fasteners supplier It will definitely lead the development direction of the whole industry and let its light bloom in this field. https://shwhardware.com

　　1. Aerospace Industry

　　The aerospace industry demands fasteners that can withstand extreme conditions, including high temperatures, vibrations, and stress. High-strength socket head screws are used extensively in aircraft assembly, engine components, and avionics. Their ability to maintain integrity under intense pressure and temperature variations makes them ideal for aerospace applications.

　　socket head screws

　　2. Automotive Manufacturing

　　In the automotive industry, precision and durability are paramount. High-strength socket head screws are used in assembling critical components such as engines, transmissions, and suspension systems. These screws ensure that the connections remain secure even under the strain of high-speed operations and harsh driving conditions.

　　3. Heavy Machinery and Equipment

　　Heavy machinery and industrial equipment require fasteners that can endure significant loads and mechanical stress. High-strength socket head screws are used in construction equipment, agricultural machinery, and mining equipment. Their robust construction and reliable performance make them essential for maintaining the structural integrity of these machines.

　　4. Marine Applications

　　Marine environments pose unique challenges, including exposure to saltwater, which can lead to corrosion. High-strength socket head screws, particularly those made from corrosion-resistant materials such as stainless steel or titanium, are used in shipbuilding, offshore platforms, and marine equipment. These screws ensure long-lasting performance and reliability in harsh maritime conditions.

　　5. Medical Devices

　　Precision and reliability are critical in the medical field. High-strength socket head screws are used in the manufacturing of medical devices and equipment, such as surgical instruments, diagnostic machines, and implants. Their ability to provide secure and stable connections is vital for patient safety and the proper functioning of medical devices.

　　6. Electronics and Telecommunications

　　The electronics and telecommunications industries require fasteners that can provide precise and secure connections in compact and sensitive devices. High-strength socket head screws are used in assembling electronic components, circuit boards, and communication equipment. Their small size and high strength make them ideal for ensuring the reliability and longevity of electronic devices.

　　7. Renewable Energy

　　In the renewable energy sector, high-strength socket head screws are used in the construction and maintenance of wind turbines, solar panels, and hydroelectric equipment. These screws ensure the stability and durability of structures exposed to varying weather conditions and mechanical stresses.

　　8. Manufacturing and Assembly Lines

　　High-strength socket head screws are widely used in manufacturing and assembly lines for securing machinery, fixtures, and tooling. Their reliable performance helps maintain the efficiency and safety of production processes.

　　socket head screws

　　Conclusion

　　High-strength socket head screws are essential components across various industries due to their exceptional strength, reliability, and versatility. From aerospace and automotive to medical devices and renewable energy, these screws play a critical role in ensuring the integrity and performance of industrial applications. Their ability to withstand high-stress environments and provide secure connections makes them a preferred choice for engineers and manufacturers worldwide.

　　In the competitive world of snus products, consumer loyalty is key to long-term success. One often overlooked factor that can significantly influence this loyalty is the packaging！specifically, custom snus tins. High-quality packaging, such as metal snus cans, not only protects the product but also enhances the overall consumer experience, making them more likely to stay loyal to your brand. Let¨s explore how custom snus cans, including popular options like Anside metal snus cans, play a vital role in fostering consumer loyalty.In some cases, snus tin The advantages will become more and more obvious, and it will be able to develop indomitable after market tests. https://www.snuscan.com/

　　1. Personalized Branding

　　Custom snus tins offer a unique opportunity for brands to express their identity through packaging. A well-designed tin with your brand¨s logo, colors, and messaging can create a lasting impression on consumers. When customers repeatedly reach for a tin that resonates with their personal style or values, it reinforces brand recognition and loyalty. This is especially true when the snus tin is something they¨re proud to carry and display, making custom tins a powerful tool for brand differentiation.

　　2. Enhanced User Experience

　　The tactile and visual appeal of metal snus cans contributes significantly to the overall user experience. Anside metal snus cans, known for their durability and sleek design, are a perfect example of how premium packaging can elevate the product. Consumers appreciate the solid feel and aesthetic appeal of a well-crafted metal can, which adds value beyond the product itself. A snus tin that is easy to open, seals tightly to keep the contents fresh, and is comfortable to carry in a pocket or bag, enhances user satisfaction and encourages repeat purchases.

　　3. Durability and Reusability

　　One of the standout benefits of metal snus cans is their durability. Unlike disposable packaging, metal tins are built to last, and consumers often reuse them for other purposes once the original product is finished. This reusability not only extends the life of the packaging but also keeps your brand in the consumer¨s hands longer. The more useful and durable the snus tin, the more likely consumers are to develop a positive association with your brand, leading to increased loyalty.

　　snus can wholesale.png

　　metal snus can.png

　　4. Perceived Value

　　Consumers often equate the quality of packaging with the quality of the product inside. When snus is packaged in a premium, custom tin, it signals to the consumer that the product is of high value. This perceived value can justify a higher price point and can lead to increased consumer satisfaction. Snus tins wholesale, particularly those that offer customization, allow brands to deliver this enhanced perception of value at scale, helping to drive repeat purchases and brand loyalty.

　　5. Sustainability and Eco-Friendliness

　　In today¨s market, consumers are increasingly aware of the environmental impact of their purchases. Custom snus tins made from recyclable materials, such as metal, appeal to eco-conscious consumers. Brands that prioritize sustainability in their packaging can build stronger relationships with customers who value environmentally friendly practices. Anside metal snus cans, for example, can be recycled or repurposed, making them a more sustainable choice that can boost consumer loyalty among green-minded individuals.

　　6. Bulk Purchase Incentives

　　Offering snus tins wholesale is an effective strategy for brands looking to build loyalty among retailers and consumers alike. Retailers appreciate the cost-effectiveness and consistency of buying in bulk, while consumers enjoy the assurance that they¨re getting a high-quality product in every tin. Additionally, bulk purchasing can allow for special promotions or loyalty programs, where consumers can receive discounts or exclusive designs on custom snus tins, further incentivizing them to stick with your brand.

　　Custom snus tins, particularly well-crafted metal options like Anside metal snus cans, are more than just containers！they¨re a vital part of your brand¨s identity and a powerful tool for driving consumer loyalty. By offering personalized, durable, and sustainable packaging, you can enhance the consumer experience, increase perceived value, and foster long-term loyalty to your brand. As the market for snus products continues to grow, investing in high-quality, custom snus tins could be the key to securing a loyal customer base.

　　Mold core pins are slender, cylindrical components inserted into the mold cavity to create holes or internal features in the final product. They are made from various materials, including stainless steel, tool steel, and carbide, depending on the application and material being molded. Their primary function is to ensure the accuracy and integrity of the internal features of molded parts.Under people’s attention plastic moulding parts Finally grow into what people need, born for the market and come for the demand. https://www.dghrjmmj.com

　　1. The Role of Core Pins in Injection Molding

　　Core pin injection molding relies heavily on the precision of these pins. They define the exact shape and dimensions of the internal features of a part. Any deviation in the size, shape, or position of the core pins can result in defects, affecting the functionality and aesthetics of the final product. High-quality mold core pins ensure that each molded part meets the required specifications with minimal variation.

　　2. Durability and Wear Resistance

　　Mold core pins must withstand the high pressures and temperatures of the injection molding process. A reputable mold core pins factory produces pins with excellent durability and wear resistance, ensuring they can endure repeated cycles without significant wear or deformation. This durability translates to longer mold life and consistent part quality over time.

　　3. Material Selection

　　The choice of material for mold core pins is crucial. Different materials offer varying levels of hardness, toughness, and resistance to wear and corrosion. A reliable mold core pins supplier can provide guidance on the best material for specific applications, ensuring optimal performance and longevity. For instance, carbide core pins are known for their exceptional hardness and wear resistance, making them ideal for high-volume production runs.

　　4. Surface Finish and Coating

　　The surface finish of mold core pins plays a significant role in the injection molding process. Smooth, polished surfaces reduce friction and wear, enhancing the pin’s lifespan and the quality of the molded parts. Additionally, some core pins are coated with specialized materials to further improve their performance. These coatings can provide additional wear resistance, reduce friction, and enhance the release of the molded part from the pin.Importance of Choosing the Right Mold Core Pins Supplier and Factory

　　Selecting the right mold core pins supplier and factory is critical to the success of the injection molding process. Here are some factors to consider:

　　5. Quality and Consistency

　　A reputable supplier ensures that each mold core pin meets stringent quality standards. Consistent quality is vital to maintain the precision and integrity of the molded parts, reducing the risk of defects and rejections.

　　6. Customization and Expertise

　　Different injection molding projects have unique requirements. A skilled supplier can provide customized mold core pins tailored to specific applications. Their expertise in material selection, design, and manufacturing ensures optimal performance and longevity.

　　7. Timely Delivery and Support

　　In the fast-paced manufacturing industry, timely delivery is crucial. A reliable mold core pins factory ensures on-time delivery of high-quality pins, minimizing downtime and production delays. Additionally, they offer ongoing support and assistance, helping manufacturers address any challenges that may arise during the molding process.

　　Mold core pins are essential components in the injection molding process, significantly affecting the precision, durability, and overall quality of molded parts. Choosing a reliable mold core pins supplier and factory ensures that these critical components meet the highest standards, contributing to the success and efficiency of the injection molding process. By understanding the role and importance of core pins, manufacturers can make informed decisions, leading to improved product quality and manufacturing efficiency.

　　consequently motion detector sensor I also got a lot of attention and wanted to join the ranks. https://www.sunlit-tech.com

　　PIR sensor (Passive Infrared Sensor) is a passive infrared sensor. It is widely used in consumer products such as doorbells, cat eyes, induction switches, night lights, and security because of its low power consumption, low price, and simple use.

　　(1) PIR detection principle

　　PIR also has another alias, which is pyroelectric infrared sensor. Its detection principle is the pyroelectric effect, that is, the phenomenon that a substance will generate electric charge when the temperature changes. The normal human body temperature is 36-37 degrees, and the infrared radiation released is about 9-10um. The detection wavelength range of pir motion detector is generally in the range of 5-14um. That is, within the detection range of PIR, if there is an energy change of 5-14um wavelength, the PIR sensor will generate a current change, thereby giving a trigger signal. It should be noted here that PIR detects energy changes, not infrared radiation of a fixed wavelength. If an object with a fixed wavelength is not moving, PIR will not detect it.

　　(2) Advantages of PIR

　　Low power consumption, typical power consumption is about 10uA

　　Low price, ranging from one or two yuan to five or six yuan

　　Easy to use, the simplest one only needs to detect a pin level signal

　　(3) PIR classification

　　There are many types of PIR motion detector, which can be roughly divided into the following ways:

　　Enablement controllable: switchable PIR

　　Output signal type: digital PIR and analog PIR

　　Is the sensitivity adjustable: adjustable PIR and non-adjustable PIR

　　Sensitivity adjustment method: hardware adjustment and software programming adjustment PIR

　　(4) PIR selection

　　When selecting a PIR sensor, we generally need to consider the following basic requirements: voltage range, operating current, number of pins required, data output format, whether the sensitivity is adjustable, structural package size, and compatibility with the Fresnel lens. Another important consideration is cost. Without considering cost, it doesn¨t matter whether you choose a model or not. Just choose the best one. In actual product development, especially for consumer products, prices are very sensitive. Basically, all bosses want to use the cheapest device and debug it to achieve the best effect, especially for products with large shipments. If you don¨t have high requirements for product quality, it doesn¨t matter. If you have strict requirements for product quality and performance, you need to be very careful when selecting a model to avoid replacing the device when you find that it does not meet the requirements in the later stages of the project.

　　Air source heat pump is a new type of energy equipment that uses heat energy in the air for heating and cooling. It can not only provide heating in winter, but also cool in summer, realizing the function of one machine for multiple uses. Air energy technology is becoming more and more advanced, and its product application fields are becoming more and more extensive, covering commercial hot water, heating, cooling, drying, industry and constant temperature greenhouses. Today, Mango Energy editor will take you to learn about air source heat pumps.Even if there are obstacles to moving forward, Inverter heat pump We should also persevere, forge ahead bravely, cut waves in the sea of the market, hang on to Yun Fan and strive for the first place. http://mangoenergyheatpump.com

　　1. Residential heating

　　In order to reduce coal pollution in winter, improve air quality, and ensure residents’ comfortable life in winter; in rural areas or residential areas with high ecological requirements that are not covered by heat and gas pipelines, heat pump heating is promoted.

　　2. One machine for two purposes, heating and cooling

　　Many users think that air source heat pumps can only heat, but in fact, it is a one-machine dual-purpose, and both cooling and heating can meet the requirements. The area of the evaporator of the air source heat pump product, the fins of the evaporator, and the heat exchange air volume spacing are all larger than those of the central air conditioner; in summer cooling, the evaporator becomes a condenser, and the condenser plays a heat dissipation role outdoors. Therefore. The performance of the heat energy emitted is better than that of central air conditioning; in simple terms, it can completely replace central air conditioning when cooling, and it also avoids repeated investment in the family, with one machine for two purposes.

　　3. Domestic hot water

　　The air source heat pump uses the energy in the air to generate heat energy, providing the whole family with different hot water needs with large water volume, constant temperature and high water pressure 24 hours a day; the power consumption is 1/4 of ordinary electric water heaters, 1/3 of gas water heaters and 1/2 of solar water heaters.

　　Car lights are one of the key components to ensure nighttime driving safety. They not only improve the driver’s field of vision, but also allow other drivers to spot the vehicle in time and avoid accidents. Therefore, keeping the lights in good condition is essential for safe driving. This article will provide some practical tips for car light maintenance to help car owners maintain the best performance of the lights.It is strictly required by such a standard, led warning lights Only with today’s development scale, can we have the proud momentum to crush our competitors. https://www.lkx-mascarello.com

　　. Types and functions of lights

　　Modern cars are equipped with a variety of lights, including headlights (low beam and high beam), fog lights, turn signals, brake lights, reversing lights, etc. Each light has its own unique function and usage scenario:

　　- Headlights: Provide the main lighting at night or in low visibility environments.

　　- Fog lights: Used in fog or other low visibility conditions to help drivers see the front and the road better.

　　- Turn signals: Indicate the vehicle’s turning intention to other traffic participants.

　　- Brake lights: Light up when braking, warning the vehicle behind to slow down or stop.

　　- Reversing lights: Light up when reversing, providing lighting and warning others that the vehicle is moving backwards.

　　Car Light Maintenance Guide

　　. Importance of car light maintenance

　　Good vehicle lights are not only related to driving safety, but also help vehicles pass annual inspections and avoid traffic violation fines. Car light maintenance should include regular inspection, cleaning and replacement:

　　1. Regular inspection: Check the function of all car lights at least once a month to ensure that they can turn on and off normally and the light is bright and focused.

　　2. Clean the car lights: The lampshades and reflectors of the car lights often accumulate dust and dirt, which will affect the brightness and range of the light. Clean the car lights regularly with a soft cloth and appropriate detergent.

　　3. Replace the bulbs in time: When you find that the brightness of the bulb has decreased or it is damaged, you should replace it immediately. It is recommended to use the bulbs recommended by the vehicle manufacturer to ensure the best performance and compatibility.

　　. Maintenance tips and steps

　　Check and replace the bulb

　　1. Turn off the engine: Make sure to turn off the engine and remove the key before checking or replacing the bulb.

　　2. Access the bulb: Open the lampshade or lamp group according to the instructions in the vehicle manual.

　　3. Check the bulb and wiring: Check if the bulb is damaged. If there are cracks, black spots or burn marks, replace the bulb with a new one. At the same time, check if the wiring is firm and corrosion-free.

　　4. Replace the bulb: Remove the old bulb and avoid touching the glass part of the bulb directly with your hands when installing the new bulb, because the grease on your hands may affect the service life of the bulb.

　　Traveling can be exhilarating, but long journeys often come with discomfort, especially when it comes to sleep. A quality memory foam travel pillow can make all the difference, providing support and comfort during flights, road trips, or even train rides. However, choosing the right one involves considering several factors to ensure it meets your specific needs. Here¨s a guide to help you choose the perfect memory foam travel pillow for your next trip.According to related reports, knee pillow memory foam To a large extent, it leads the changes of market conditions. https://tainengjikang.com/

　　How to Choose the Perfect Memory Foam Travel Pillow for Your Next Trip

　　JK796

　　1. Consider Your Sleeping Style

　　The first step in choosing a memory foam travel pillow is to consider your sleeping style. Do you usually sleep with your head tilted to one side? Do you prefer sleeping upright or leaning forward? Understanding your typical sleeping position will help you choose a pillow that provides adequate support and aligns your neck and spine properly.

　　2. Neck Support and Comfort

　　One of the primary benefits of a memory foam travel pillow is its ability to contour to the shape of your neck and head, providing personalized support. Look for a pillow with medium to firm density memory foam, as this will offer the best balance of comfort and support. The pillow should maintain its shape and provide consistent support throughout your journey.

　　3. Size and Portability

　　The size and portability of the travel pillow are crucial factors, especially if you have limited space in your carry-on luggage or backpack. Opt for a pillow that is compact and lightweight yet offers sufficient support. Many memory foam travel pillows come with compression bags or travel cases that make them easier to carry and store when not in use.

　　4. Material and Breathability

　　Check the material used in the pillow cover and the breathability of the memory foam itself. A breathable cover helps regulate temperature and keeps you cool during warm journeys. Some pillows feature moisture-wicking properties to prevent sweat buildup, enhancing comfort, especially on long flights or in humid conditions.

　　5. Adjustability and Versatility

　　Consider whether you prefer a traditional U-shaped pillow or a more versatile design that can be adjusted to different sleeping positions. Some memory foam travel pillows offer adjustable straps or toggles that allow you to customize the fit around your neck. This adjustability ensures maximum comfort and support, regardless of how you prefer to sleep.

　　6. Ease of Maintenance

　　Travel pillows can accumulate dirt and odor over time, so choose one that is easy to clean. Look for pillows with removable and washable covers, or those that can be spot-cleaned with ease. This feature not only helps maintain hygiene but also prolongs the lifespan of your travel pillow.

　　7. Durability and Longevity

　　Invest in a travel pillow that is durable and built to last. Quality memory foam retains its shape and resilience over time, ensuring that your pillow continues to provide optimal support through multiple trips. Check customer reviews and product specifications to gauge the durability of the pillow before making a purchase.

　　8. Reviews and Recommendations

　　Before finalizing your decision, read reviews and recommendations from other travelers who have used the pillow. Honest feedback can provide valuable insights into the pillow¨s comfort, support, and overall performance during real-world use. Look for pillows with high ratings and positive reviews to ensure satisfaction.

　　9. Budget Considerations

　　While quality should be your priority, consider your budget when choosing a memory foam travel pillow. There are options available across different price ranges, so you can find a pillow that meets your needs without breaking the bank. Compare features and prices to make an informed decision that aligns with your budget.

　　10. Trial Period and Return Policy

　　If possible, choose a memory foam travel pillow that comes with a trial period or a generous return policy. This allows you to test the pillow and determine if it suits your comfort preferences before committing to it for your travels. A satisfaction guarantee ensures peace of mind and helps you make a confident purchase decision.

　　I believe that all my friends have more or less experience in sending express delivery. After our express delivery arrives at the site, it will be inspected by the express security inspection machine. So how does the express security inspection machine detect contraband?Doing these simple things can also make security screening machine Sowing high-quality genes will eventually grow into towering trees and become the leader in the industry. https://secuzoan.com/

　　security scanners

　　1. Recognition of X-ray images of gun express security inspection machines:

　　Under the camera, metals are all dark blue and red, and most guns are made of steel, so a clear outline of the gun body is shown on the express security inspection machine camera. Simulation guns are mostly made of aluminum alloy, the metal density is not as high as that of real guns, and the structure of the barrel is also different from that of real guns. There is a plug in the barrel of the simulation gun, so the X-ray image of the express security inspection machine is not completely dark blue and red, only some blue and red on a single edge of the gun. As for toy pistols and plastic guns, they appear green or orange on the express security inspection machine camera. In this way, real guns, simulation guns and toy guns can be distinguished from the color and structure of the X-ray image of the express security inspection machine.

　　2. Identification of X-ray images of controlled tool express security inspection machines:

　　Controlled knives include daggers, switchblade knives, self-locking knives, and minority technical sabers. When the knife is not clamped and hidden, it has a significant shape and outline on the express security inspection machine camera, and its color is mostly dark blue and green.

　　security scanners

　　3. X-ray image recognition of explosives express security inspection machine:

　　Explosives are mainly composed of explosives and fuse bodies. Explosives are mostly organic matter. The X-ray system of the express security inspection machine gives organic matter an orange-yellow color. Depending on the type, density and quantity of the explosives, the orange-yellow color may vary from light to dark. Some explosives have specific shapes and structures, such as block TNT, hardcover ammonium nitrate explosives, etc., which are relatively easy to find.

　　4. X-ray image recognition of drug delivery security inspection machine:

　　Heroin is in powder form, or compressed into regular blocks, and appears as a unique orange color on the camera of the X-ray system of the express delivery security inspection machine.