Zhejiang Quzhou Derui Chemical Co., Ltd. is located in the beautiful city of Quzhou in the west of Zhejiang Province, and enjoys a good location. Since the establishment of the company in the year 1998, we have been always keeping to the principle of Technological Innovation, Quality Foremost and Honest Business. And the company has been honored as Excellent Backbone Enterprise and Honest Business Enterprise etc. Main products include:4-toluene sulfonyl chloride ,Sulfonated oil, 4-toluene sulfonyl chloride ,Sulfonated oil,(1s,2s)-2-amino-1-(4-nitrophenyl)propane-1,3-diol, Hydrobromic acid , Charcoal , Calcium chloride hexahydrate , Hydrochloric acid , Nitric acid , Sodium hypochloride , Chlorosulfonic acid , Sulfanilamide ,Ammonium sulfate , Barium chloride dihydrate , Sulfuric acid , ..