ShanFeng Special Rubber Products Co., Ltd., operating under brand NQKSF since 1990, is one of a global leader in the sealing industry. Driven by innovation, quality, and excellence, it focuses on self-research and manufacturing oil seal and rubber sealing rings. With a wide range of sealing products for diverse industries, it adheres to global standards. NQKSF uses SAP ERP for efficient service and maintains large inventory. It has stable high-quality output and a strong global presence. Its spirit of innovation and craftsmanship helps it scale new heights.
factory
models
code in stock
Employees
These products are widely used in diverse industries such as pump, motor, Industrial Machinery, Electronic Household, automotive, construction machinery, mining, wind power, and agriculture, providing high-performance sealing solutions to meet the needs of customers across the globe.
02 Nov 2026
During maintenance or assembly, using a little engine oil to lubricate an O-ring may seem like a convenient solution. It is readily available and can make the rubber ring easier to install. But convenience does not guarantee compatibility. An assembl...
02 Nov 2026
Two oil seals can both be described as FKM (fluoroelastomer), yet their published temperature limits may be noticeably different. For buyers comparing quotations, this can make it difficult to determine which specification is more reliable. The reaso...
02 Nov 2026
A replacement oil seal may have the correct inner and outer diameters and still be the wrong part. This is a common source of confusion in industrial purchasing. Buyers often send two measurements, receive a product with matching dimensions, and then...