‌Professional supplier of OCTG Tubing and OCTG Casing

RockySea Petro has decades of history in tubing thread processing with advanced production equipment, complete testing methods and high-qualified inspection team. To ensure the quality of tubing products, our company strictly follows the ISO9001 , combine the strict management, advanced manufacturing equipment with scientific inspection methods organically, grasp the quality control of each process, there is a complete quality control system from raw material inspection to the factory Inspection