Tonghua Petro-chemical Machinery Manufacture Co.,Ltd (THpetro) is located in Tonghua City, Jilin Province, China. The company was founded in 1958, covering an area of about 67,400 square meters. THpetro is professional to produce oil drilling equipment, at the same time it is also the top-ranking supplier of Sinopec and PetroChina, the birthplace of the first trailer mounted 30t Workover Rig. THpetro’s products include oil Workover Rig, Well Service Rig, Oil Recovery Truck, Sand-washing Truck, and Oil Special Vehicle, etc. It also produces Traveling Hook, Rotary Table and Swivel, drilling tool, etc. THpetro have got the authentication of the ISO9001 quality control system, acquired the member qualification of API and be authorized to use 4F, 8C and 7K official monogram of API, the certificate for China Compulsory Product Certificate.