Yuchai International is aimed at selling various products of subsidiaries to overseas market, including thousand kinds of products: engine field, construction machinery field, special purpose automobile field, and spare parts field. Yuchai Wärtsilä manufactures the Wärtsilä RT-flex series of all electronically controlled common rail low-speed marine diesel engines and features ample power, excellent fuel efficiency, low vibration, and emission

ZEM Fuel Systems Limited are a Scottish company located in St. Andrews with a strong research, development, and deployment background specialising in creating engineering solutions to decarbonise the maritime industry. The ZEM Fuel Systems team aspires to establish itself as a world leading provider of highly efficient green technology solutions that contribute to decarbonising the maritime sector globally.

Zhejiang Sunyun Marine Engineering CO.,LTD. is a main industry to port dredging and reclamation blow fill, salvage, wharf installation, ship leasing is a comprehensive sea industry and trade enterprise. Registered capital of RMB 55 million yuan.

Zhoushan Xinya Shipyard Co., Ltd. was founded in August 2002 and is currently the largest private corporation in the ship repairing industry in China, owning three production bases. Xinya Shipyard is located at Donglangzu, Liuheng Town, Zhoushan City, Zhejiang Province, where is at the south bank of Shuangyu Port (Fodu Waterway).