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.
19 Oct 2026
Choosing a rubber material is often more important than choosing the oil seal design itself. Two oil seals may have identical dimensions and nearly identical appearances, yet their service life can vary dramatically simply because the material does n...
19 Oct 2026
A high-quality oil seal cannot achieve reliable performance if the shaft surface is unsuitable. In sealing systems, the shaft is not merely a component that passes through the seal. It is an active part of the sealing interface. This fact is often un...
19 Oct 2026
Many people use the terms "oil seal" and "O-ring" interchangeably, but they are designed for very different jobs. If the application involves a rotating shaft, an oil seal is usually the appropriate choice. If the goal is to seal static or reciprocat...
ShanFeng Special Rubber Products Co., Ltd., operating under brand NQKSF since 1990, is a global leader in the sealing industry.
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