Jiangsu Ruiyi Petroleum Machinery Co., Ltd.

Jiangsu Ruiyi Petroleum Machinery Co., Ltd. is a modern oilfield equipment manufacturer located in the Lixiahe area of northern Jiangsu Province, China, near the East Sea coast and the former residence of Premier Zhou En'lai. The company holds API 6A (license 1150), API 16C (license 0154), and API 16A (license 0266) monogram certifications, along with ISO 9001 quality system certification. Ruiyi is an approved supplier to both CNPC and Sinopec Group. The company employs more than 190 staff, including 8 senior engineers and 36 high and mid-level technical and management personnel. Manufacturing capabilities include over 100 cold and heat processing equipment sets and more than 20 detection equipment sets. Core products include high and medium pressure valves, wellhead equipment, surface control equipment (choke and kill manifolds, mud manifolds), drilling control equipment (blowout preventers), casing heads, plug valves, gate valves, and hydraulic pipe fittings. Products are manufactured to ISO, ANSI, API, GB, and SY petroleum industry standards and are widely used in petroleum, chemical, metallurgical, power, and engineering industries.