Hangzhou Castchem Co, Ltd. is a Sino-USA joint venture located in the Hangzhou Tangqi Industrial Park. In cooperation with Fukang International Inc, we produce materials for foamed plastic molds used in lost foam casting. We successfully developed and produced the STMMA series of molding materials for lost foam castings, of which搉ovel foamable copolymer resin(simplified as STMMA resin) and its preparation process fulfills a domestic need and was granted with patents in China and the USA. Our company was granted certification of the ISO 9001-2000 standard quality system in May of 2004. We will make efforts to eliminate the current casting status of serious working environment and high labor intensity and make the castings lighter.