Zhejiang Shangyu Oil Seal Co.,Ltd (PQK Oilseal Co.,Ltd), firstly established in 1969, is one of the largest companies combining research, development and production, which specializes in the production of various kinds of rubber seals. Now, with an annual output of 80,000,000 pieces of seals,our company has owned complete automatic production lines,fully automatic process equipment and perfect testing facilities. It is also fully qualified for technology development and production of rubber seals from product research & design, glue material formulation, mold making, vulcanization to trimming.
Our company has passed ISO 9001 2000 and TS 16949 quality management system certifications, and takes production according to international standards. Its leading product oilseals have been listed in national development program, and the ISUZU automotive oilseal has been evaluated as national new product. Now, our company has been appointed as the original equipment manufacturer for more than 20 engine makers including Shanghai Volkswagen. Authorized self-management import and export operating rights, we supply products to the US, Russia, Germany, Holland, Brazil, Australia, Southeast Asia, Middle East and so on. As an original equipment manufacturer for international companies, its thermostats rubber valves are applicated in the engines of General Motors, Rord, and Cummins.
Our company always stick to the spirit of "Your satisfaction is our success", and attract customers from home and abroad with our high-quality products and first-class service.