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.
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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.
16 Jan 2026
As someone working on the front line of sealing‑technology support, I have found that many cases of oil leakage or sealing failure are not caused by the oil seal itself, but by overlooked details during installation. The following practical recommend...
09 Jan 2026
In low-temperature applications such as robot shaft systems, skeleton oil seals (radial shaft seal) frequently experience oil leakage, increased start–stop wear, and unstable sealing performance. Field experience shows that these failures are o...
08 Jan 2026
Industrial robots operate under high precision and high load conditions, making the sealing performance of each joint critical. When the joint shaft undergoes ±180° reciprocating rotation, traditional sealing concepts face significant chal...
ShanFeng Special Rubber Products Co., Ltd., operating under brand NQKSF since 1990, is a global leader in the sealing industry.
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