Hexing Chemical Co., Ltd. is the leading professional manufacturer and supplier of Thiourea Dioxide. Our production capacity is 12000MT per year, the world second largest Thiourea Dioxide and pulp bleaching agent FAS manufacturer. Hexing Chemical Co., Ltd. also supplies many other fine chemicals. We have the independent ability to R&D, production and promotion. We also have the ability to provide professional technical service to our customers. Hexing Chemical Co., Ltd. located in the beautiful and new developed petrochemical city- Puyang, Henan Province. Hexing Chemical Co., Ltd. has entire capitals subsidiary and share-holding companies—Puyang Hexing Chemical Co., Ltd. Puyang Taixing New Materials Co., Ltd.The products are selling well in China and overseas. We also have sub-branch ..