Research, development, and technical consulting, transfer, and services for clean coal comprehensive utilization technologies and chemical products; domestic trade, material supply and marketing; import and export of goods and technologies; the following scope limited to branch operations: production and sales of nitrogen, phosphorus, potassium and other chemical fertilizers, methanol, compressed and liquefied gas products, medical oxygen, nitric acid, sulfur, liquid ammonia, dimethyl ether, sulfuric acid, ammonium nitrate, sodium nitrate, sodium nitrite, compound fertilizers, mixed fertilizers, potassium nitrate, liquid fertilizers, organic fertilizers, biological fertilizers, water-soluble fertilizers, functional fertilizers, urea; general freight; cargo consolidation information services; warehousing, loading and unloading services; quality inspection technical services; self-owned real estate leasing; machinery and equipment, vehicle leasing; production safety emergency rescue services; catering; accommodation; retail of cigarettes and pre-packaged food; telecommunications and mobile communication business agency.