Sale: Acetone cyanohydrin、 Sodium dichromate、 acetone、 LPG、 natural gas, flammable liquids:1,2- Xylene、N,N- dimethylethanolamine、 Styrene、 Methyl methacrylate、 n-Butanol, There are drugs: phenol、 Toluene-2,4- diisocyanates、 copper sulfate、 flammable solids, Spontaneous combustion and flammable items when wet: Polystyrene beads, corrosive substances: Phthalic anhydride、 Sodium hydroxide, Oxidants and organic peroxides: Chromium trioxide( Dangerous Chemicals Business License Number: blackS An Jing( First) Character【2017】000003, Validity period:2017 Year1 moon22 to2020 Year1 moon21 day); Food sales( Only after obtaining a license can you operate); Coal sales; Hardware and Electrical、 building materials、 textile、 Daily necessities; Trade agency services; Sales of crude oil and petroleum products, crude oil、 fuel oil、 circulating oil、 wax oil、 base oil、 naphtha、 lubricating oil、 condensate、 gasoline、 Methanol gasoline、 ethanol gasoline、 solvent oil、 kerosene、 coal tar、 diesel fuel、 Asphalt wholesale; Mineral Products、 building materials wholesale; Product Display; Consulting Services; Import and export of goods、 Technology import and export; Carry out import and export of various commodities and technologies to neighboring countries and regions through border small-scale trade(Except for goods and technologies that are restricted or prohibited from import and export by the state)