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., 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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Strong Production Ability

NQKSF plant are specialized in the manufacture of research and development, designing and producing a wide range of sealing products, including industrial oil seals, automotive oil seals, truck oil seals, construction machinery oil seals, mining industry oil seals, hydraulic oil seals, wind turbine seals, agriculture oil seals, washing machine oil seals, and rubber sealing rings. The plant is equipped with over 300 employees and 200 advanced production and testing machines, ensuring that our designs and manufacturing processes meet global standards. In addition to being ISO 9001 certified, the NQKSF production site has also been awarded the IATF 16949:2016 certification for its Automotive quality management system.
SAP ERP Management System

NQKSF factory has adopted the globally renowned SAP ERP management system. This system has enabled us to achieve paperless, networked, and transparent management, allowing us to provide customers with more efficient service. Whether it's product quotes, production progress, or order fulfillment, NQKSF Group can respond quickly and ensure customer demands are met promptly. In addition, NQKSF maintains 6000 oil seal sizes and 4000 o ring sizes are large inventory reserves, ensuring that we can quickly fulfill orders within 3-7 days even in cases of urgent demand.
Global and Market Leadership

our sealing products are sold in 60 countries worldwide, covering industries such as automotive manufacturing, construction machinery, mining machinery, wind power, and agricultural machinery. No matter where our customers are located, NQKSF provides them with premium products and services, ensuring they receive high-performance seals along with convenient and timely deliveries. we have also established long-term partnerships with renowned global brands, becoming a key supplier in the sealing industry. Thanks to our self-research and manufacturing capabilities, NQKSF has earned widespread praise and trust in international markets.

Quality Control

NQKSF Technical Centers have a staff force of 25 people, including expert engineers and qualified technicians, Technical Centers equipped with complete, cutting edge hardware and software which, together with the expertise of the staff, makes it possible to offer our clients an application and engineering support in every field.

Every step of our production strictly follows ISO 9001 and TS16949 international management system certification standards, ensuring that each product leaving our factory is of top quality. Each production process is meticulously monitored and inspected to ensure that from design to manufacturing and final delivery, every product meets the highest standards of excellence.

Every product has its own code in NQKSF system, it is possible to trace:

1.Where the material has come from and the date of production;

2.The correct place in the warehouse;

3.The customers to whom the material has been shipped.