as one company which was restructured from SINOPEC in 1997, Puyang Zhongshi Group Co., Ltd has 20 years manufacturing experience of petroleum machinery products. We have 9 factories, more than 500 employees, and many kinds of production equipments. We also have certificates of API 5CT, 6A, 10D, 11AX, 11E, ISO 14001 and 9001.
Our main products cover Cement Head, Float collar float shoe, casing head, Centralizer, Stop collar, cement plug and Oil-Christmas Tree.