Jiangsu SuBo Petrochemical Machinery Corporation. LTD

Jiangsu Subo Petrochemical Machinery Co., Ltd. is a Chinese manufacturer of wellhead equipment and drilling/production accessories founded in 2017. Headquartered in Yancheng, Jiangsu Province, the company operates with approximately 80 million RMB in fixed assets, 132 employees including 20 R&D personnel, and over 100 sets of production equipment. SuBo manufactures manifolds (choke, kill, surface, vent), casing heads (single, double, and triple stage), gate and throttle valves, check valves, safety valves, and gas/oil production wellhead assemblies in 5- to 15-valve configurations. The facility includes a mechanical performance testing center, chemical composition analysis lab, gantry machining centers, CNC lathes, and 200+ sets of testing and inspection equipment. SuBo holds API 6A, API 16C, and API Q1 certifications alongside ISO 9001, ISO 14001, and ISO 45001 management system certifications, plus a Chinese Special Equipment Manufacturing License (TS).