50+

Years Experience

36000

+
Factory cover area(M2)

5000

+
Number of Mould

80 M

+
Annual production capacity

Why choice us

Specializing in the production of all kinds of seals and metal to rubber seals professional design ,development and  production
PQK  since 1969 As manufacturer for  Rubber seals  and Oil seals Factory in China, our company specializes in the production of Skeleton oil seals, bearing seals, automotive thermostat seals, high-speed shaft seals, rubber pads, rubber sleeves.TS16949 certifictaes ,ERP system ,Rubber formular technology ,Metal pressing capacity ,Test ability 
Enterprise mission: To improve the quality of life of human beings with high-quality transmission
Humanism, Progress, Harmony, Dedication
Customized Service is avaliable.
We have a strong R D team,and we can develop and produce products accordingto the drawings or samples the customers offered.

PROMPTLY FEEDBACK
13 January, 2026
In the inner world of a washing machine, there exists a small yet vital component—the oil seal. This tiny ring-shaped part acts as the washing machine's "guardian spirit," quietly ensuring the machine's smooth operation and long service life. As technical experts from Zhejiang Shangyu Oil Seal Manufacturing Co., Ltd., we will take you on a deep dive into the secrets of washing machine oil seals and explore how they have become a key factor in the reliability of modern washing machines.
read more
30 October, 2025
Deep Expertise in Sealing Technology, Delivering Superior Products and Solutions to Ensure Leak-Free, Stable Equipment Operation
read more
15 January, 2026
Based on the provided Key Technical Requirements for Hub Bearing Seal Assemblies and Supplier Selection Methodology, we have conducted a systematic evaluation of the technical strength and supporting capabilities of Zhejiang Shangyu Oil Seal Manufacturing Co., Ltd. (hereinafter referred to as "PQK Company"). The analysis indicates that PQK Company demonstrates excellent alignment and competitive advantages across multiple core dimensions.
read more
23 October, 2025
Recently, Mr. Sui and Director Wang from Dongfeng Fuji Tompson visited our company for an in-depth inspection and guidance. The visit featured systematic thematic presentations and a comprehensive tour of our production lines, thoroughly showcasing our comprehensive strength in manufacturing oil seals, rubber valves, and sealing rings. It concluded with resounding success beyond expectations, clearly charting the course for our future strategic collaboration.
read more

COMPANY QUALIFICATION

Member of National Technical Committee on Rubber and Rubber Products of Standardization, Sub-Technical Committee on Sealing Products (SAC/TC35/SC3)
Member of Sealing Device Sub-Technical Committee of National Technical Committee on Hydraulics and Pneumatics of Standardization (SAC/TC3/SC3)

DOWNLOAD CENTER

PART OF OUR SEAL LIST FOR YOU:  AUTOMOTIVE SEALS ,TRACTOR SEAL.IRRIGATION SYSTEM SEALS,PINION SEAL,TRUCK SEALS,MOTORCYCLE SEALS,AS468 O RINGS,