High-speed engine products including WP4.1,WP4,WP6,WP7,WD10,WD12,WP10, WP12,WP13,M26,M33, which are mainly used as the main engine and auxiliary engine of the high-speed ships and boats, passenger ship, and fishing boat and inland river transport ship; WHM6160/170 medium speed engine products, which are mainly used as the main engine, electric propeller and auxiliary engine of the bulk cargo carrier, car/passenger ferry, public service ship, offshore support vessel, ocean fishing vessel, engineering ship, multi-purpose ship; CW200/CW250/WH620/WH20/WH25/WH28 medium speed engine products, which are mainly used as the main engine, and auxiliary engine of the engineering ship, passenger ship, fishing boat, and bulk cargo carrier.