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.
factory
models
code in stock
Employees
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.
12 Oct 2026
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...
10 Oct 2026
An oil seal works by creating a controlled sealing contact between the seal lip and the rotating shaft. Its purpose is not only to prevent lubricant leakage but also to reduce the entry of external contaminants into mechanical equipment. Although the...
08 Oct 2026
TC oil seals are widely used in motors, gearboxes, pumps, and industrial rotating equipment because their double-lip structure provides both lubricant retention and contamination protection. The popularity of TC seals comes from the balance between s...
ShanFeng Special Rubber Products Co., Ltd., operating under brand NQKSF since 1990, is a global leader in the sealing industry.
Copyright © 2026 ShanFeng Special Rubber Products Co., Ltd. All rights reserved. Privacy Policy
EN
