Marine engineering support vessels are specialized vessels primarily used to provide operational support, material supply, towing and guarding, personnel transport, and emergency rescue for offshore oil and gas platforms, wind power facilities, and marine engineering vessels in coastal, offshore, and deep-sea waters; Major vessel types include platform supply vessels, multi-purpose workboats, guard vessels, and wind farm service vessels, with primary power requirements ranging from 800 kW to 10000 kW. Weichai's compatible engine models include the WP, WH, and M series, with fuel types primarily being diesel.