TAIZHOU YANGSHIDA IMP&EXP CO.LTD is mainly focus on AUTO Diesel Engine, Gasoline Engine &Excavator engine Parts for 9 years. Our Main Products are Cylinder Head ; Cylinder Head Assy; Cylinder Head Cover ; Crankshaft, Camshaft, Con Rod. Engine Valve, Valve Tappet , Rocker Arm... Etc.With advanced production technology and world-class production equipment,our company's products provide a strong quality assurance. The company has perfect cylinder head manufacturing system for all types of production equipment: the core shooting machine, the shell core machine, aluminum alloy concentration dissolved furnace, ABB robot and flip casting machine casting operation unit, consisting of a continuous heat treatment production line, the German DMG ,high precision numerical control machining center.