Chongqing Changfeng Chemical Industry Co., Ltd., established on 1979-12-03, Business scope includes licensed projects:Hazardous Chemical Production;Invoice type operation:Precursor:nitric acid,hydrogen peroxide solution(content>8%).General Hazardous Chemicals:sulfuric acid,toluene,Dibutylamine,formaldehyde solution,sodium hydroxide,Aluminum trichloride(Anhydrous),ammonia,ethanol(Anhydrous),Methanol,benzene,phenol,Dichloromethane,Butanol,aniline,Quinol,diethyl carbonate(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments,The specific business items are subject to the approval documents or licenses of relevant departments)General project:Production,Sales:Polycarbonate Series,No. Ⅱ middle dose,Benzophenone,Diphenyl carbonate,No. Ι medium dose,Tetramethylurea,Tetraethylurea,Tetrabutylurea,No. Ⅲ medium fixed agent(chemical name: N-Methyl-N,NDiphenylurea),DMDO(chemical name:4,5-Dimethyl-1,3-Dioxole-2-ketone);Operating the enterprise's processing with imported materials and compensation trade business;Operating steel and general chemicals business(The above scope does not include hazardous chemicals other than those approved by the permit);Goods and technology import and export business,General machinery and equipment installation services,Manufacturing of basic chemical raw materials(Manufacture of licensed chemicals free of hazardous chemicals)(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)