Zhejiang Wansheng (浙江万盛股份有限公司, formerly known as Zhejiang Wansheng Chemicals) is a company that manufactures chemical products. It offers phosphorus-based flame retardants, aliphatic amines, triphenyl phosphate, phenalkamine curing agents, epoxy diluents, etc. The company caters to the electronics, household, pharmaceutical, and agrochemical sectors.