Publicly listed Weichai subsidiary (000880.SZ), MAN-licensed medium-speed marine engines and large castings manufacturer.
Weichai Heavy Machinery Co., Ltd. is a medium-speed marine diesel engine and marine casting manufacturer based in Weifang, Shandong, China. Established in 1946, the company specializes in MAN-licensed marine engines from 1,000 to 8,000 kW and large marine castings exceeding 50,000 tonnes per year, holding ISO 9001, ISO 14001, and ISO 45001 certifications and approvals from CCS, ABS, BV, LR, DNV, NK, and KR. The factory employs more than 2,000 workers.
Weichai Heavy Machinery Co., Ltd. (潍柴重机股份有限公司, stock code: 000880) is a publicly listed subsidiary of Weichai Power (潍柴动力), one of China’s largest engine and powertrain conglomerates. Based in Weifang, Shandong Province, the company specializes in medium-speed marine diesel engines and large castings.
Backed by Weichai Power’s massive industrial infrastructure, the company has annual medium-speed engine capacity of 200+ sets and large casting capacity of 50,000+ tonnes, making it one of China’s leading marine casting suppliers.
Products serve major Chinese and international shipyards, ship owners, offshore platform operators, and power generation customers. Weichai group’s global network supports sales across Asia, Europe and the Middle East.
Weichai Heavy Machinery manufactures MAN-licensed medium-speed marine diesel engines covering 1,000–8,000 kW and operates China's largest marine casting base with annual output exceeding 50,000 tonnes. The company serves both propulsion and auxiliary power applications across a wide range of vessel types.
Weichai Heavy Machinery holds ISO 9001, ISO 14001, and ISO 45001 certifications covering quality, environmental, and occupational health management. Marine class approvals include CCS, ABS, BV, LR, DNV, NK, and KR, providing comprehensive coverage for internationally trading vessels.
Weichai Heavy Machinery is a subsidiary of the Fortune Global 500 Weichai Group, combining corporate financial strength with MAN technology licensing. Operating China's largest marine casting production base at over 50,000 tonnes per year and holding seven major class society approvals, the company offers integrated engine and casting supply since 1946.
China, Asia, Europe, Middle East
Project names and end customers are not disclosed for confidentiality. Detailed references can be provided upon request.
Hicool perspective. Founded 1946, Weichai Heavy is the MAN-licensed flagship in China's medium-speed marine engine segment (1,000-8,000 kW). The 50,000+ t/year casting capacity (engine blocks, cylinder heads, bedplates) gives them vertical integration that small competitors can't replicate. We position Weichai for buyers needing MAN-design compatibility, large casting OEM (export to engine builders globally), or installations targeting European/Middle East markets where MAN heritage matters. Pricing is mid-to-upper tier; their B2B-engineering culture means RFQs through Hicool need clear technical scope. Avoid for spot-buy small jobs.
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