GUANGZHOU ZHONGHAO MACHINERY PARTS CO.,LTD. is a professional production valve oil seal, rubber products, valve chamber gasket,oil seal, full set gasket continuous R & D and production of new high-tech factories. The factory was established in 1999, set the mold development, skeleton stamping, rubber mixing, product production in a body, at present, the factory valve oil seal has more than 1000 kinds, rubber parts products is more than 500 kinds. "To the quality of survival, to seek development rate" is the factory since its establishment has rigorous with the criterion.