Oil Seal & O Ring Manufacturer | High-Quality Seals Supplier | NQKSF Seals

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Who We Are

Who We Are

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.

ShanFeng Special Rubber Products Co., Ltd.

Application

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.

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Latest News

Replaced the Oil Seal but the Leak Remains? The Shaft and Housing May Be the Real Cause 14 Oct 2026

Replaced the Oil Seal but the Leak Remains? The Shaft and Housing May Be the Real Cause

When leakage continues after an oil seal is replaced, frustration usually follows. The natural assumption is that the new seal is defective. Yet in many cases, the replacement seal is functioning exactly as designed. The true problem lies in the comp...

High Pressure, Heavy Dust, Low Temperature, Muddy Conditions: Why Standard Oil Seals Often Struggle 13 Oct 2026

High Pressure, Heavy Dust, Low Temperature, Muddy Conditions: Why Standard Oil Seals Often Struggle

If your equipment operates in harsh conditions, a standard oil seal may not be the right choice A common mistake in industrial maintenance is assuming that all oil seals perform similarly. They do not. A seal that works perfectly in a clean gearbox m...

Can an Oil Seal Expire Before it is Used? A Practical Guide to Storage, Shelf Life, and Inspection 12 Oct 2026

Can an Oil Seal Expire Before it is Used? A Practical Guide to Storage, Shelf Life, and Inspection

Many purchasing managers assume that an unused oil seal remains in perfect condition indefinitely. Unfortunately, rubber materials continue to change over time, even while sitting on a warehouse shelf. So the answer is simple: improper storage can sh...

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