Zhejiang Castchem New Materials Co., Ltd. has been specializing in the production of lost foam casting resin for more than ten years, and is the only casting resin manufacturer in China. It has obtained 3 national invention patents and 20 utility model patents, among which "new expandable STMMA copolymer resin and preparation method" fills the domestic gap, and has obtained Chinese patents and US patents respectively.
The new STMMA expandable copolymer resin obtained the certificate of Zhejiang High-tech Product and the National Torch Program Project in 2007, making the company the only drafting unit of the national standard "STMMA Expandable Copolymer Resin for Lost Foam Casting Pattern Materials". This series of products have been applied in American General Motors, Germany BMW, Anhui Quanchai Power Co., Ltd. and many domestic and foreign enterprises, and have been exported to Europe, America, South Korea, Iran and other countries in batches, as well as the Middle East, South Asia and European markets. The product has a 100% domestic market share and a 70% market share in the United States. In recent years, the company has successfully developed long fiber reinforced polypropylene, which is a high-performance thermoplastic material.