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　　In the world of industrial machinery, the performance of components is often dictated by their operating conditions. One such component, the NBR (Nitrile Butadiene Rubber) oil seal, is no exception. This article will delve into the working temperature range of NBR rubber oil seals and why it matters. 　　NBR rubber oil seals are widely used due to their excellent resistance to petroleum-based oils and fuels, silicone greases, hydraulic fluids, water, and alcohols. The NBR material is known for its strong wear resistance, good elastic properties, and low compression set. 　　However, like all materials, NBR has a specific working temperature range. The working temperature range of an NBR oil seal typically spans from -40°C to 125°C. This range is a general guideline and can vary based on the specific formulation of the NBR material. 　　Why does this matter? The working temperature range is crucial as it dictates the environments in which the NBR oil seal can function optimally. If the seal is subjected to temperatures below the lower limit, it may become too rigid and lose its sealing ability. Conversely, if the temperatures exceed the upper limit, the seal may become too soft, leading to deformation and potential failure. 　　Therefore, when designing or maintaining a system that uses NBR oil seals, it’s essential to consider the operating temperature. If the system is expected to function outside the NBR’s working temperature range, alternative materials like FKM (Fluoroelastomer) or Silicone might be a better choice. 　　Understanding the working temperature range of NBR oil seals is crucial for their optimal performance and longevity. By considering this factor, engineers and maintenance personnel can ensure the reliability and efficiency of their equipment.

Minimum Order: 100

Product Description Chinese liquid soil stabilizer, rock forming agent, road solidification Rammed earth wall solidification agent rammed earth technology rammed earth wall solidification agent rammed earth wall Adding cement Type A soil stabilizer JUSTSOLID ® technology manual I . Product introduction 1.1 Definition of soil stabilizer Soil stabilizer is a new type of environmental protection curing material, which acts directly on the soil to solidify the soil into a dense, uniform, high strength and durable composite stabilized soil layer. Composite stabilized soil is a semi-rigid material formed by new engineering material soil stabilizer and soil stabilization. Compared with the commonly used inorganic combined stabilized materials, the composite stabilized soil can achieve local materials, and has the characteristics of convenient construction, short construction period, low cost and excellent technical indicators for road use. In a certain range, it can replace the commonly used gravel, crushed stone, reduce the amount of lime and other inorganic binding materials, thus reducing the project cost, saving resources, saving energy, and conducive to ecological environmental protection. This technology is used in the construction and repair of composite stabilized soil subbase and base of new and reconstructed highway engineering, as well as pavement construction, wall construction and repair of different purposes. It has broad application prospects in municipal, transportation, water conservancy, foundation treatment and other projects. 1.2 Classification of soil stabilizer In CJJ/T286-2018 Technical Standard for the Application of Soil Solidifying Agent, the soil solidification agent is divided into Class A soil solidification agent and Class B soil solidification agent. Class A soil stabilizer: a powder or liquid additive that can improve the engineering performance of the foundation soil by physical or chemical reaction with cement (or lime and other cementitious materials), soil, water and air after being added into the soil. Class B soil stabilizer: after being added into the soil, it is a soil stabilizer that can be used alone through the physical or chemical reaction with soil, water and air, not mixed with cement (or lime and other cementitious materials), and a powder additive that can improve the engineering performance of the foundation soil. II. Physical and chemical properties Form: liquid or granular powder Solubility: soluble in water Type: ionic polymer type biological enzyme type Safety: ecological and environmental protection III.　Action mechanism The working principle of composite stabilized soil is to make the surface current of soil micelle reduce energy and fix a large amount of free water in the soil in the form of crystal water. The engineering properties of the soil are changed by a series of physical and chemical reactions after the soil stabilizer is mixed with the soil. The particles tend to agglomerate, the electrolyte concentration increases, and the volume expands to further fill the soil pores; Under the action of compaction, the whole structure is formed to make the solidified soil easy to be compacted and stable, reach the compactness that cannot be achieved by conventional methods, and improve its strength, compactness, modulus of resilience, deflection value, CBR, shear strength and other properties, so as to meet the requirements of road technical indicators. IV.Adaptability and scope of use Soil stabilizer can be applied to a variety of soil properties, such as clay, silt and sand; Mineral powder, slag, construction waste, etc. According to different soil properties, different curing schemes are formulated by adjusting the material ratio. 1. Subgrade construction The subbase of the expressway is hardened, and the base and subbase of the first class road and below are hardened. Hardening of base course and surface course of simple road or temporary road. Cement soil, soft soil and soft foundation solidification. 2. Site hardening Hardening treatment of parking lot, road, stockyard, storage yard, drilling well pad, production and processing yard, etc. 3. Rammed earth wall Vegetable, flower and breeding greenhouse; Construction or repair of ancient building walls; Earth wall of folk houses, etc. 4. Making unburned bricks After fully mixing the clay with the soil curing agent, it is supplemented with other hydraulic materials and directly pressed by the brick press. V. Construction plan 5.1 Basic Requirements ① Cementitious material: cement. It shall comply with the current national standard General Portland Cement (GB175). Cement of the same grade, brand, variety and delivery shall not be mixed. Cement grade 425 and above. The initial setting period is required to be more than 3 hours, and the final setting period is about 6 hours, not more than 10 hours. ②Water quality requirements: the water shall be non-polluting water (potable water for livestock). It conforms to the current industrial standard Standard for Concrete Water JGJ 63. ③ Construction thickness: the compaction thickness of each layer should be 15-20 cm (cm), and the total compaction thickness should be determined according to the construction requirements. ④ Addition of cementitious materials: the amount of cementitious materials generally accounts for 3% - 6% of the total soil amount. The details shall be determined according to the construction requirements and process. ⑤ Amount of soil stabilizer: about 0.5 kg per cubic meter of compacted earth; It is about 0.03% (three thousandths) of the mixture by weight. Curing agent for sealing layer: after curing, spray on the surface of solidified soil, dilute with water about 20 times, and spray the sealing layer. ⑥ Moisture determination method: Liquefied Road Soil Stabilizer Rammed Earth Wall Solidification Agent 0 Liquefied Road Soil Stabilizer Rammed Earth Wall Solidification Agent 1 Figure1 Soil moisture meter Figure2 Traditional simple method Use a soil moisture meter or traditional simple method: grab a handful of soil, put it in your hand and hold it tightly, and the soil mass will be formed without scattering; One meter from the ground, let the soil mass fall freely, and the soil mass spread evenly (fall to the ground and blossom), indicating that the moisture content is about 15%. ⑦ Material consumption: For example, the area of the soil to be solidified is calculated as 5 square meters, the thickness is 20 cm, and the total volume is 1 cubic meter after compaction. The density after compaction is calculated as 2 tons/cubic meter, and the total volume is 2 tons. *Earthwork=area * thickness=5 square meters * 0.2 meters=1 cubic meter * Total soil volume=earthwork * compaction density=1 * 2=2 tons; *Amount of cementitious material (cement)=total soil quantity * 10%=2 * 10%=0.2 tons； *Amount of soil stabilizer=total earthwork * amount of soil stabilizer=1 m3 * 0.5 kg/m3=0.5 kg; *Water consumption of diluting and curing agent=(optimum moisture content * total solid content) - (initial soil moisture content * total soil content) =18% * (soil volume+cement+diluted water) - 12% * total soil volume Note: In the formula, the initial water content of soil is calculated as 12%, and the optimum water content is calculated as 18%; The specific construction shall be subject to the actual water content.

　　Oil seals are vital components in many mechanical systems. They prevent the leakage of lubricants from gaps within machines and bearings. But do these seals themselves need lubrication? This article will explore this question in detail. 　　The Role of Lubrication 　　Lubrication plays a crucial role in the performance and longevity of oil seals. It reduces friction between the seal and the shaft, preventing wear and tear. It also helps the seal maintain its elasticity, which is essential for effective sealing. 　　When to Lubricate 　　While oil seals are in contact with lubricants due to their function, additional lubrication during installation is often recommended. Applying a thin layer of lubricant on the seal and the shaft can make the installation process easier and prevent damage to the seal. 　　Choosing the Right Lubricant 　　The choice of lubricant is also important. It should be compatible with the material of the seal and the lubricant used in the machine or bearing. Incompatible lubricants can cause the seal to degrade or fail prematurely. 　　Regular Maintenance 　　Regular maintenance is key to the longevity of oil seals. This includes checking the condition of the seal and the lubricant regularly and re- lubricating or replacing the seal as needed. 　　While oil seals are in constant contact with lubricants, they do benefit from additional lubrication, especially during installation. Choosing the right lubricant and regular maintenance can significantly extend the life of the seal.

Minimum Order: 100

　　Oil seals are critical components in many mechanical systems. They prevent the leakage of lubricants from gaps within machines and bearings. Two common types of oil seals are SC and TC seals. This article will explore the differences between these two types of seals. 　　SC Oil Seals 　　SC oil seals also known as Single Lip Oil Seals, are typically used in applications where there is no pressure or very low pressure. They have a single lip that seals radially and axially against the shaft. The lip is usually manufactured from an elastomer material, which provides excellent sealing properties. SC oil seals are commonly used in electric motors, gearboxes, and pumps. 　　TC Oil Seals 　　TC oil seals also known as Double Lip Oil Seals, have two sealing lips. The primary lip prevents the leakage of lubricants, while the secondary lip keeps dirt and other contaminants out of the system. This makes TC oil seals ideal for applications where contamination is a concern. They are often used in automotive applications, such as wheel bearings and transmissions. 　　Key Differences 　　The key difference between SC and TC oil seals lies in their structure and application. SC oil seals have a single lip and are used in low-pressure applications. On the other hand, TC oil seals have a double lip and are used in applications where contamination prevention is crucial. 　　Both SC and TC oil seals play vital roles in various applications. Understanding their differences can help you choose the right seal for your specific needs.

Minimum Order: 100

　　Hydraulic cylinders are essential components in many industrial applications. A crucial aspect of their performance and longevity is the selection of the appropriate sealing ring. Here are some key considerations when choosing a sealing ring for your hydraulic cylinder. 　　Understand the Application 　　The first step in selecting the right sealing ring is understanding the specific application of the hydraulic cylinder. Factors such as pressure, temperature, and the type of hydraulic fluid used can significantly impact the performance of the sealing ring. 　　Material Selection 　　Sealing rings are made from a variety of materials, each with its own set of properties. Common materials include polyurethane, nitrile rubber, and fluorocarbon elastomers. The choice of material should be based on the operating conditions of the hydraulic cylinder. 　　Size and Shape 　　The size and shape of the sealing ring are also critical. The ring must fit snugly within the cylinder to prevent leakage. Additionally, the shape of the ring can affect its sealing efficiency. For instance, U-shaped seals are often used for their excellent sealing capabilities under high pressure. 　　Manufacturer Specifications 　　Always refer to the manufacturer’s specifications when selecting a sealing ring. These specifications provide valuable information about the ring’s performance under various conditions. 　　Regular Maintenance 　　Even the best sealing ring will wear out over time. Regular maintenance and inspection can help detect signs of wear and tear early, allowing for timely replacement. 　　In conclusion, selecting the right sealing ring for a hydraulic cylinder involves understanding the application, choosing the right material, considering the size and shape, referring to manufacturer specifications, and performing regular maintenance. By following these steps, you can ensure the optimal performance and longevity of your hydraulic cylinder.

Minimum Order: 100

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Minimum Order: 1 bags

　　Radial shaft seals also known as oil seals, play a crucial role in various types of machinery by preventing the leakage of lubricants and excluding contaminants. One common question about these components is, "How long do radial shaft seals last?" The answer to this question is not straightforward, as the lifespan of a radial shaft seal depends on several factors. 　　Under normal circumstances, the lifespan of a radial shaft seal can range from several years to a decade. The specific duration of use depends on factors such as the seal material, operating environment, quality of the seal, and installation method. In harsh operating conditions, such as high temperatures, corrosive fluids, or heavy loads, the lifespan of the seal may be shorter. 　　Firstly, the material of the seal plays a significant role in its lifespan. Different materials have varying levels of resistance to heat, pressure, and chemical attack. For instance, Nitrile Rubber (NBR) is a commonly used material for oil seals due to its excellent resistance to petroleum-based oils and fuels, water, and some hydraulic fluids. However, it may not be suitable for applications involving highly polar solvents like, or in high-temperature applications. 　　Secondly, the operating conditions significantly impact the lifespan of a radial shaft seal. These conditions include the temperature range, pressure, and the type of fluid the seal will be in contact with. A seal used in a high- temperature, high-pressure environment or in contact with aggressive fluids will typically have a shorter lifespan than one used in less demanding conditions. 　　The installation and handling of the seal can also affect its lifespan. Improper installation can lead to damage and premature failure of the seal. Therefore, it's crucial to follow the manufacturer's instructions when installing the seal. 　　Regular maintenance and inspection can also extend the lifespan of a radial shaft seal. By regularly checking the seal for signs of wear and replacing it as necessary, you can prevent catastrophic failures and extend the overall lifespan of the seal. 　　The lifespan of a radial shaft seal is dependent on a variety of factors, including the material of the seal, the operating conditions, the installation process, and the maintenance regime. By understanding these factors and making informed choices, you can maximize the lifespan of your radial shaft seals.

Minimum Order: 100

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Product Description: Qi Wireless Charger Station is a revolutionary wireless charging base that allows you to wirelessly power up your devices. This wireless battery station is perfect for keeping your devices charged and ready to use at all times. With a colorful package and LED indicator showing blue, it is portable and easy to use. The Qi Charging station supports a 9V/3A or 9V/2A input, and its small size of 100*100*13mm makes it easy to store and carry around. Best of all, it comes with a 1 year warranty, so you can use it with peace of mind. With the Qi Wireless Charger Station, you can easily power up your devices conveniently and quickly without having to worry about tangled wires. Features: Qi Charging Base Station Wireless Charger Station Qi Power Station Product Weight: 100g Product Size: 100*100*13mm LED Indicator: Blue Charging Efficiency: ≥73% Protection: Over Voltage, Over Current, Short Circuit Technical Parameters: Property Value Protection Over Voltage, Over Current, Short Circuit Product Size 100*100*13mm Compatible Devices Qi-Enabled Devices Charging Efficiency ≥73% Package Colorful Package LED Indicator Blue Charging Distance ≤8mm Input 9V/3A 9V/2A Material ABS Name 3 In 1 Magnetic Wireless Charger Applications: LHT's 3 in 1 Magnetic Wireless Charger Station is an ideal solution for charging Qi-enabled devices. With this Wireless Charging Base, you can charge up to three devices simultaneously. Its product size is 100*100*13mm, and it has built-in protections against over voltage, over current, and short circuit. The charging distance is ≤8mm, making it easy and convenient to charge your device. This Wireless Battery Station can be used in a variety of locations. Whether you're at home, at the office, or outdoors, you can easily connect your Qi- enabled devices to the Wireless Power Station and start charging them. Plus, it's lightweight and portable, so you can take it with you wherever you go. With its sleek and stylish design, it is an excellent choice for anyone looking to charge their devices quickly and conveniently. The LHT Qi Wireless Charger Station is the perfect choice for those who want to charge quickly and safely. With its magnetic design and built-in protections, it is an ideal solution for any Qi-enabled device. Plus, its sleek and stylish design makes it a great addition to any room. With the LHT Wireless Charger Station, you can easily charge up to three devices simultaneously and get the most out of your wireless charging experience. Customization: Qi Wireless Charger Station Brand Name: LHT Model Number: LHT- Place of Origin: China Product Size: 100*100*13mm Charging Distance: ≤8mm Compatible Devices: Qi-Enabled Devices Color: White/black Charging Efficiency: ≥73% This Qi Wireless Charger Station is a great choice for those who want an efficient and reliable wireless charging power station. With a charging distance of up to 8mm and the ability to charge Qi-enabled devices, you can rest assured that your devices will be fully charged no matter where you are. It comes in two colors, white and black, and is small enough to fit in your pocket or backpack. Made in China, this Qi Wireless Charger Station is designed to be fast and efficient, with a charging efficiency of 73%. Support and Services: Qi Wireless Charger Station Technical Support and Service We provide technical support and service for our Qi Wireless Charger Station. If you have any questions or concerns about your charger station, please do not hesitate to contact us. Our customer service team can help you troubleshoot any issues you are having, and we are available 24/7 to answer any questions or concerns you may have. We provide a full suite of support services, including: Solving technical issues and providing helpful advice Answering questions about product features and usage Assisting with product setup and installation Providing updates on new features or bug fixes Recommending accessories and other products Our goal is to make sure that you are satisfied with your Qi Wireless Charger Station and that you have the best possible experience. We are here to help you get the most out of your product and make sure that it meets your needs. Packing and Shipping: Packaging and Shipping Qi Wireless Charger Station will be securely packaged and shipped to ensure that the product arrives to you in perfect condition and ready to use. We use corrugated boxes to ship Qi Wireless Charger Station. We use bubble wrap to protect the product during shipping. We use foam to fill any gaps and voids in the packaging. We use packing tape to secure the package for shipping.

　　Oil seals also known as shaft seals, are vital components in many types of machinery, providing a physical barrier that retains lubricants and excludes dirt and moisture. The effectiveness of an oil seal is largely determined by its dimensions, which must be chosen carefully to ensure a proper fit and optimal performance. 　　The primary dimensions to consider when selecting an oil seal are the shaft diameter, bore diameter, and seal width. The shaft diameter refers to the size of the shaft where the seal will be installed, while the bore diameter is the size of the housing or bore where the seal will be fitted. The seal width is the radial width of the seal itself. 　　Choosing the correct shaft and bore diameters is crucial to ensure a tight and secure fit. If the seal is too large, it may not fit properly, or it may be overly compressed, leading to premature wear and potential failure. Conversely, if the seal is too small, it may not provide an adequate seal, leading to leakage. 　　The seal width is also important, as it affects the seal's ability to withstand pressure and its overall durability. A wider seal may provide a better seal and be more durable, but it may also generate more friction and heat, which could lead to premature wear. 　　In addition to these basic dimensions, there are other factors to consider, such as the type of material the seal is made from and the type of sealing lip. These factors can also affect the seal's performance and lifespan. 　　Selecting oil seals by dimension is a complex task that requires a thorough understanding of the machinery where the seal will be used and the operating conditions it will be subjected to. By carefully considering these factors, you can choose the right oil seal that provides optimal performance and longevity.

Minimum Order: 100

Product Description Shockproof 4G Rugged Mobile Phones WIFI/Bluetooth 5.0 12 Days Standby Product Description: Rugged Mobile Phones are built to last and can withstand even the toughest conditions. With their unbreakable phone construction, they are designed to take whatever life throws at them. The Rear Camera is 20MP AF and the Line in is USB Type C. The durability of these phones is 4G Standby, which can last up to 12 days. They also come with Double SIM cards and a size of 149.5*73.5*13mm, making them perfect for any outdoor or extreme activities. With these rugged mobile phones, you can be sure that your phone will remain safe and secure no matter what you face. Whether it’s a long hike, a tough climb or a heavy downpour, you can rely on your rugged phone to keep you connected and protected. Features: Product Name: Rugged Mobile Phones Processor: MTK6762 Quad-Core 2.0GHz Wireless: WIFI/Bluetooth 5.0 SIM card: Double SIM GPS: GPS,Glonass,BDS,(Glileo) Dustproof: IP69K Technical Parameters: Property Specification Size 149.5*73.5*13mm GPS GPS,Glonass,BDS,(Glileo) Durability 4G Standby: About 12 Days Dustproof IP69K Rear Camera 20MP AF TF card Support To Max1T TF Card NFC Yes Line in USB Type C Waterproof IP68 Memory RAM 4GB+ROM 64GB / RAM 6GB+ROM 128GB Applications: Phonemax M3 is an indestructible phone that offers superior durability and protection in the most extreme environments. It is certified with IP68/IP69K/CE/FCC/RoHS and has a minimum order quantity of 1 pcs with a price range from $155 to $209. The packaging includes a packing box (optional), product, specification, USB (Type-c), charger, and SIM PIN. Delivery time is 3-5 business days and payment terms include T/T, D/A, L/C, Paypal, Western Union, and T/T. Supply ability is 5000 pcs per month. The rear camera is 20MP AF and it is waterproof with IP68 certification. Durability is 4G standby for about 12 days and the size is 149.5*73.5*13mm. It also has NFC (yes). Phonemax M3 is a smartphone rugged phone with 4G capabilities. It is a perfect choice for those who seek for a phone that can take a beating and still stay intact. It is reliable and durable enough for extreme outdoor activities like hiking, camping, and mountain climbing. The waterproof feature ensures that the phone will still work even after being submerged in water. Its 4G standby time of 12 days provides users with long-lasting battery life, so that they can stay connected wherever they go. The 20MP AF rear camera allows users to capture clear and vivid photos even in low light. The NFC feature makes it easier for users to make payments and transfer files with just a few taps. All in all, Phonemax M3 is a perfect choice for those who need a reliable and durable smartphone that can withstand any harsh environment. Customization: Rugged Mobile Phone 2023 Brand Name: Phonemax Model Number: M3 Place of Origin: China Certification: IP68/IP69K/CE/FCC/RoHS Minimum Order Quantity: 1 pcs Price: $155-$209 Packaging Details: packing box(optional)+Product+specification+USB(Type- c , )+charger+SIM PIN Delivery Time: 3-5 Business Days Payment Terms: T/T, D/A, L/C, Paypal, Western Union, T/T Supply Ability: 5000 pcs per month Features: SIM card: Double SIM GPS: GPS, Glonass, BDS, (Glileo) Screen: 5.71 Inch HD+ Ips 720*1520 Waterproof: IP68 Wireless: WIFI/Bluetooth 5.0 Phonemax X3 Rough Rugged Mobile Phones RAM 4GB+ ROM 64GB 0Phonemax X3 Rough Rugged Mobile Phones RAM 4GB+ ROM 64GB 1 Support and Services: Technical Support and Service for Rugged Mobile Phones At XYZ, we are committed to providing our customers with the highest quality of products and services. We offer a comprehensive range of technical support and services for our rugged mobile phones. Technical Support We provide technical support to all of our customers with our experienced and knowledgeable staff. You can call us or send us an email and we will be more than happy to answer any questions you may have about our rugged mobile phones. Repairs and Replacements If you experience any problems with your rugged mobile phone, we offer repair and replacement services. We use only the highest quality parts and all repairs are done in-house by our experienced technicians. Warranty All of our rugged mobile phones come with a one-year limited warranty. This warranty covers any defects in materials or workmanship and ensures that your phone will be free from defects during the warranty period.

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Minimum Order: 1 bags

In order to improve the theory and hand on technical level and actual operation skills of technical workers, strengthen the workers in the new form under the condition of competition ability to rapidly improve equipment maintenance and repair operator site ability to deal with problems, the enterprise introduced a “process control equipment fault diagnosis and maintenance skills training platform". This training platform by the controlled object (stainless steel frame) and control system (mesh plate) composition. Controlled object contains a power system, water tank, storage tank, pressure transmitter, turbine flowmeter, variable pressure transmitter, Pt100 and K dividing thermocouple, electric control valve, solenoid valve, piping and valves, etc.,

　　In the realm of machinery, the importance of oil seals cannot be overstated. They are crucial for maintaining the efficiency and longevity of various mechanical systems. Among the numerous Seals manufacturers in this industry, NQKSF stands out as a leader, renowned for its commitment to quality and innovation. 　　Founded in 1990, NQKSF is a professional manufacturer specializing in the research and development (R&D) and manufacturing of oil seals and O-rings. With over 30 years of experience, the company has established itself as a trusted name in the industry. 　　NQKSF’s success can be attributed to its rigorous adherence to international management system certification standards, including ISO 9001 and TS16949. The company has also implemented SAP’s ERP management system, further enhancing its operational efficiency. 　　The company’s R&D team is continuously working to enhance its core competitiveness. They independently develop CAD drawing designs, CNC lathe processing, and mold development, ensuring precision, flexibility, and stability in their products. 　　NQKSF’s manufacturing capacity is among the top in the industry. The company boasts more than 100 automatic vacuum vulcanizers, networked controller systems, and fully automated trimming machines, among other advanced equipment. This high level of automation allows for accurate control over vulcanization time, machine pressure, and product density. 　　The company’s products, including oil seals and O-rings, are used in a wide range of industries, from automobile manufacturing to agricultural machinery manufacturing, motor manufacturing, reducer manufacturing, hydraulic pneumatic, steel plant, coal mine, chemical machinery, and other machinery manufacturing industries. 　　NQKSF’s commitment to quality is further demonstrated by the certifications it has received. The company has passed IATF 16949:2016 certification. Additionally, its Nbr70 fkm75 material has passed RHOS certification. 　　NQKSF is a pioneer in the oil seal manufacturing industry, with a reputation for quality and innovation. Its commitment to R&D, adherence to international standards, and use of advanced manufacturing techniques have made it a trusted name in the industry. Whether it’s in automobile manufacturing or other machinery manufacturing industries, NQKSF’s oil seals and O-rings play a crucial role in ensuring the smooth operation of various mechanical systems.

Minimum Order: 100