China
Dieselman Marine Service emerged in July 2017 as a top-tier technical service provider for marine diesel engines. The company began with the reconstruction of a two-stroke engine salvaged from a vessel lost during the 2011 Japan Tsunami, which was completed within five months. In 2019, Dieselman introduced in-situ machining technology, expanding its repair services. The company established its first overseas branch in Busan, Korea, in March 2020, and later opened a Singapore office in September 2023. Dieselman Marine Service specializes in workshop solutions for FIVAs and HPS pumps, as well as pioneering services for modern electronic-hydraulic controlled two-stroke engines. In early 2023, the company launched 4D MarineTech to address marine decarbonization needs. The company has grown from a small office with a few experts in Shanghai to a group encompassing subsidiaries in China, Korea
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