Sinotruk,with official name CHINA NATIONAL HEAVY DUTY TRUCK GROUP CO., LTD. which is the biggest heavy duty truck manufacturer in China.It is the cradle and leading production base of the heavy-duty truck industry in China. It is famous for developing and manufacturing the first heavy duty truck.At present, CNHTC is focus on manufacturing and assembling of truck CBU, manufacturing and processing of engine, axle, gearbox, wheel, propeller shaft, cab trimming, seat and so on components and parts, and producing and manufacturing task of bus and special vehicle.