Anqing Power Engine Valve Co., Ltd (APEV) successfully brought in, digested and recruit the technologies of the 'digital-control electricity pier shaping', 'heating auto-correction', 'big flat surface location processing', 'Dual-material frictional welding', 'solid body dissolution treatment', 'conical face stacking welding', 'high frequency quenching', 'rapid surface treatment', etc., possessing the hinge devices and detection facilities of the advanced world level which were imported from Europe and America. Our company conforms to the guiding principle: 'high starting-point, professional development. ' successively keeping the broadly technology exchanges and cooperation with i. e. Shanghai internal combustion research institute, Hefei university of technology.