中国航天科工集团
Wanshan Special Vehicle (湖北三江航天万山特种车辆有限公司) is a wholly owned subsidiary of China Aerospace Sanjiang Space Co. Ltd (中国航天三江集团)], which is in turn a subsidiary of China Aerospace Science and Industry Corporation (CASIC)]. The advantage of the WS2400 compared to the MAZ is that it utilizes a German diesel engine, transmission and hydraulics manufactured by Wanshan in China, built using technologies transferred from ZF Friedrichshafen and Allison Transmission.