Hongye Holding Group Corporation Ltd. is a manufacturer with ISO9001,ISO14001 and OHSAS18001 certificates, has entire capitals subsidiary and share-holding companies : Puyang Hongye World Dragon Chemical Co ., Ltd., Hongye Chemical Co.,Ltd. ,Hongye Chemical Co., Ltd. Puyang Branch, etc. We also have branches in USA and Japan ,etc. Now our company is the leading professional manufacturer and supplier of Thiourea Dioxide and Pulp Bleaching Agent FAS , the world’s largest production base of Furfuryl Alcohol and Furfural ,and the largest manufacturer of Sodium Percarbonate in Asia .