Caustic soda, hydrochloric acid, liquid chlorine, hydrogen, sulfuric acid, AC foaming agent (azodicarboxamide), sodium hypochlorite solution, hydrated hydrazine solution, sulfoxide chloride, liquid ammonia, ammonia, liquid sulfur dioxide, methyl 4-chlorobutyrate, chloroethylene glycol monopropyl ether (2-propoxyethylene chloride), hydrogen peroxide (hydrogen peroxide), 2,2-dihydroxymethylpropionic acid, 2,2-dihydroxymethylbutyric acid, para-chlorobenzonitrile, parachlorobenzaldehyde, parachlorobenzoic acid and by-products of the above mentioned products Production and sales (excluding hazardous chemicals); technology development, technology transfer, technical services for chemical products; original supplements to the above products Sales of materials, machinery, equipment, instruments, spare parts, and packaging products; export of chemical products produced by the company itself; export of raw materials, machinery, equipment, instruments, and spare parts required by the enterprise for production and scientific research (operated with the registration form of foreign trade operators); special equipment inspection and testing services; mobile pressure vessel filling services. (For projects requiring approval according to law, business activities can only be carried out after approval by the relevant departments)