Sanjack Petro OCTG Tubing And Casing

Sanjack 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 and API Spec Q1 quality system requirements from the production process, process plan, testing methods and management system, and strictly implements API Spec 5CT,API Spec 5B and Sinopec Q/SHCG 18010-2016 “Casing and Tubing Purchase Technical Specifications”, 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