Zhejiang Wansheng Co., Ltd. engages in the research, development, manufacture and sale of organophosphorus flame retardants. It offers safety production licensed chemical products, polyurethane & rigid polyurethane foam flame retardants, plastic flame retardants, polyurethane grafted polyether, catalyst and organophosphorus flame retardant. The company was founded on May 25, 1995 and is headquartered in Linhai, China.