Zhejiang Wansheng Co., Ltd. produces and sells organic phosphorus-based flame retardants, special amines, and cardanol based curing agents and diluents in China. The company offers coating BU products, which include solvent-free, solvent-based, and light color Phenalkamine curing agents, as well as active and non-active epoxy diluents; amine BU products comprising special amines, Pyrrolidones, fatty tertiary amines, and aliphatic amines and amides; and catalyst BU products. It also provides flame retardant BU products, such as phosphate and non-halogen flame retardant, as well as flame retardant plasticizer; and personal and home care products.