mixer truckwith 6,7,8,9,10,12 cubic meters. The superstructure technology comes from Australia and the agitator (Blade) applies special anti-wearing alloy steel with special mould shape to insure the tree-dimensional mixing function that makes excellent work for concrete mixing, quick unloading with the lowest material remains. SINOTRUK is the heavy duty truck and military vehicle manufacturing base in china, the largest heavy duty truck manufacturer of china and one of the top five heavy duty truck manufacturers in the world. The group has invested USD750 million to build series of international top-class professional production lines including engine, cab, gearbox and axle and so on. Its main products cover serious of heavy duty truck and special truck, which are HOWO, SETYR,STW,SWZ,HOVAHOKA and HOYUN and so on. In 2008, 112,000 unit vehicles were produced and sold, of which 15,000 units were exported. Now, SINOTRUK has been the symbol of heavy duty trucks in China. Special Truck Company, CNHTC (original named as Qingdao Special Automobile Manufacturing Works, hereafter referred as STC. Registered trade mark is Qingzhuan) is located in Qingdao, a beautiful seaside city. It is one of the wholly owned subsidiaries of China National Heavy Duty Truck Corp., Ltd and the famous enterprise of special truck industry in china. With over 1,300 staffs working there the company owns a fixed capital of USD180million and occupying 355,000 square meters. STC has a capacity of manufacturing 20,000 unit special trucks and over 60,000 set hydraulic components per year. Its main products cover dump trucks, concrete mixer trucks, bulk cement trucks, garbage trucks, aircraft tractors, military vehicles, hydraulic components, ect.