Shanfeng (NQKSF Brand) Oil Seal Manufacturer Core Product Overview

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Shanfeng (NQKSF), as a leading sealing‑component manufacturer, has been deeply involved in the industrial sealing field for many years. Its core product portfolio covers a wide range of oil seals and sealing rings, widely used in industrial machinery, automotive systems, engineering equipment, and hydraulic applications. These products provide reliable protection against oil, water, dust, and corrosion, while ensuring stable sealing of gases and liquids to meet the demands of various operating conditions.

· Main Oil Seal and Sealing Product Categories

Shanfeng is product system is extensive and includes multiple series, such as:

Oil seal series: TC, TA, TB, SC, KC, TG, DC, end‑cover seals, and more. Beyond these standard types, Shanfeng also supports customization for different shaft diameters, offering both standard and heavy‑duty versions. These seals are designed for high pressure, wear resistance, sealing reliability, and high‑temperature performance, meeting the needs of shaft‑end sealing in industrial machinery.

Sealing ring series: standard O‑rings, V‑rings, X‑rings, and O‑ring cords, suitable for both static and dynamic sealing applications.

With this product combination, Shanfeng can meet sealing requirements ranging from conventional industrial equipment to advanced new‑energy systems, providing comprehensive protection.

· Core Manufacturing Materials

Shanfeng places great emphasis on material selection. Its key sealing materials include:

NBR: suitable for general machinery; excellent oil resistance.

HNBR: resistant to high temperature, high pressure, and chemical media; ideal for high‑performance hydraulic systems.

ACM: heat‑ and oil‑resistant; commonly used in engines and automotive drivetrains.

EPDM: resistant to water, steam, and mild acids/alkalis; suitable for hydraulic and water‑based systems.

FKM: high‑temperature and chemical resistance; ideal for oil‑based and corrosive environments.

PTFE: excellent chemical resistance and wear resistance; suitable for static sealing and special media.

This diversified material system enables Shanfeng to provide precise sealing solutions tailored to different working conditions.

· Key Advantages of Shanfeng Sealing Products

With mature manufacturing processes, strict quality control, and extensive material expertise, Shanfeng’s sealing products offer clear advantages:

Wide application coverage: from standard industrial machinery to high‑temperature, high‑pressure hydraulic systems and corrosive environments.

Stable performance: reliable sealing under high pressure, high speed, wear, and elevated temperatures.

Long service life: optimized materials and structural design extend operating cycles and reduce maintenance costs.

Through a complete product system and diversified material options, Shanfeng provides full‑range sealing protection—from basic O‑rings to high‑end specialty oil seals. Whether for mechanical transmission systems, hydraulic pumps, gearboxes, or new‑energy powertrains, Shanfeng delivers precisely matched sealing solutions.