China's largest low-speed marine engine manufacturer (CSSC-Mitsui JV), producing MAN B&W and WinGD two-stroke engines for ocean-going vessels.
Hudong Heavy Machinery Co., Ltd. is a low-speed two-stroke marine diesel engine manufacturer based in Shanghai, China. Established in 1930, the company specializes in MAN B&W and WinGD licensed engines and LNG dual-fuel engines including ME-GI and X-DF series, holding ISO 9001, ISO 14001, and ISO 45001 certifications and approvals from CCS, ABS, BV, LR, DNV, NK, KR, and RINA. The factory employs more than 2,500 workers.
Hudong Heavy Machinery Co., Ltd. (上海中船三井造船柴油机有限公司, formerly 沪东重机) is China’s premier manufacturer of low-speed marine diesel engines, headquartered in Shanghai. The company operates as a joint venture between China State Shipbuilding Corporation (CSSC) and Mitsui E&S (Japan, formerly Mitsui Engineering & Shipbuilding).
Hudong Heavy Machinery is the largest low-speed marine engine manufacturer in China and one of the largest globally, with annual capacity exceeding 4 million horsepower. The Shanghai facility covers over 400,000 m2 with dedicated heavy machining, assembly and test facilities.
Products serve the world’s major shipyards and ship owners for large commercial vessels including container ships, bulk carriers, tankers, LNG carriers, and VLCCs. The company is a core supplier to all major Chinese shipbuilding groups.
Hudong Heavy Machinery manufactures low-speed two-stroke marine main engines under MAN B&W and WinGD licenses, including LNG dual-fuel variants such as the ME-GI and X-DF series. Annual production capacity exceeds 4 million horsepower, making Hudong China's largest low-speed marine engine manufacturer.
Hudong Heavy Machinery holds ISO 9001, ISO 14001, and ISO 45001 certifications and type approvals from eight major classification societies: CCS, ABS, BV, LR, DNV, NK, KR, and RINA, covering all primary international marine class requirements for main propulsion engines.
Hudong Heavy Machinery is the only manufacturer in China holding technology licenses from both MAN B&W and WinGD simultaneously, giving it the broadest low-speed engine portfolio in the Chinese market. Founded in 1930, the company has nearly a century of engine manufacturing heritage and leads China's transition to LNG dual-fuel propulsion for large ocean-going vessels.
China, Global (all major shipbuilding nations)
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Top-tier low-speed engine maker — effectively in a different league from the other manufacturers listed here. Products go into the world's largest vessels. CSSC-Mitsui JV ensures quality standards. Not suitable for small/medium vessel inquiries.
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