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.
09 Nov 2026
Oil seals are available with different outer diameter constructions, including exposed metal cases and rubber-covered outer surfaces. Although both designs are used to seal rotating shafts, their differences can influence housing fit, installation be...
09 Nov 2026
O-ring compression set is a common factor affecting long-term sealing performance in industrial equipment. It occurs when an O-ring loses part of its ability to return to its original shape after being compressed for an extended period. As the materi...
10 Nov 2026
Oscillating shafts create different sealing conditions from continuously rotating shafts. Instead of completing full rotations in one direction, an oscillating shaft repeatedly moves back and forth through a limited angle. This movement changes the c...
ShanFeng Special Rubber Products Co., Ltd., operating under brand NQKSF since 1990, is a global leader in the sealing industry.
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