Hongze Dongjun Machinery Co. Ltd.

Hongze Dongjun Machinery Co. Ltd. (also known as Hongze Dongjun Petroleum Machinery Co., Ltd.) is a Chinese manufacturer of API-certified wellhead and oilfield equipment headquartered in the Economic Development Zone of Hongze County, Huai'an, Jiangsu Province. Founded and registered on the Made-in-China B2B platform since 2013, the company holds API monogram licenses for API 6A (Wellhead and Tree Equipment), API 16C (Choke and Kill Equipment), and API 7K. Product lines include gate valves, mud valves, casing heads, tubing heads, oil and gas wellhead assemblies, X-mas trees, choke manifolds, drilling manifolds, cementing manifolds, mud separators, spacer spools, cross and tee flanges, casing hangers, and various drilling machine parts. The company ships regularly to US customers — primarily wellhead equipment distributors — through the ports of Houston, Long Beach, and Los Angeles, with over 310 bills of lading on record between 2013 and 2026. Multiple independent R&D products have received national patents in China. Management system certifications include ISO 9001, HSE, and ISO 9000.