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Zhejiang shangyu Oilseal Co.Ltd（ PQK Oil seal Co. Ltd.）,since from 1969, is one of the largest OEM seals factory in CHINA combining RD 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.Our company has passed ISO 9001 2000 and TS 16949 certifications, and takes production according to international standards. Its leading product oil seals 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 S...