Hejian Tengda Petroleum Supplies Co., Ltd. located in the PetroChina in Huabei. Our company is a business entity specializing in development, production, distribution, and after sales service of drilling equipments.
It is a company with manufacturing, design, research and development of PDC drill bit for oil ,small-bore PDC drilling bit for coalfield and almost all codes of Tricone rock bit.In addition,we produce drilling rig ,mud pump and other accessories.