Tonghua Petro-Chemical Machinery Manufacture Co., Ltd. (THpetro) is a trusted global supplier of oil field equipments and services with glorious history. Founded in 1958, THpetro was honored to become one of the earliest oilfield manufactures in China. In 1965, THpetro invented the "First Workover Rig" of People's Republic of China. In 2001, THpetro transformed to the First private company among Oilfield manufactures in China. After half a century, THpetro has become the leading supplier of oil field machineries in China, acting as key partner of CNPC and SINOPEC and expanding...