沧州中星石油器材有限公司
PetroMaterials (Cangzhou) Co., Ltd. is a Professional company for the manufacturing, research and service of drilling tools. its products cover conventional drilling tools, Sour-Service drilling tools, High Torque、Ultra-High Torque double shoulder drilling tools and Titanium Alloy Drill Pipe, Aluminium Alloy Drill Pipe and other high-end drilling tools with independent intellectual property rights.
Website：https://petromaterials.com/