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.
28 Sep 2026
A new oil seal can have the correct inner diameter, outer diameter, and width and still develop leakage after installation. The reason is simple: an oil seal does not seal by dimensions alone. Its performance depends on the relationship between the s...
24 Sep 2026
Shanfeng oil seals, marketed under the NQKSF brand, are designed around several practical requirements of industrial sealing: material selection for different working conditions, consistent seal dimensions and lip geometry, a broad range of standard ...
23 Sep 2026
The material of an oil seal directly affects how well the sealing lip can maintain its properties under actual working conditions. It influences resistance to the working fluid, temperature behavior, flexibility, wear and aging. For this reason, choo...
ShanFeng Special Rubber Products Co., Ltd., operating under brand NQKSF since 1990, is a global leader in the sealing industry.
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