Crude oil、 gasoline、 diesel fuel[ Closed cup flash point≤60℃]、 kerosene[ Contains aviation kerosene]、 natural gas[Methane-rich]、 LPG、 Liquefied petroleum gas、 methane、 oxygen[ Compressed or liquefied]、 nitrogen[ Compressed or liquefied]、 Acetylene、 Sodium hydroxide、 potassium hydroxide、 nitrogen dioxide、2- Methylpentane、 Propane、 carbon dioxide[ Compressed or liquefied]、 ammonia、 Methanol、 ethanol( Anhydrous)、 Nickel sulfate、 Isobutane、 n-butane、 Isobutylene、 solvent oil[ Closed cup flash point≤60℃]、 coal tar、 naphtha、 Wholesale of petroleum ether without warehousing, based on valid [certificate/receipt].《 Dangerous Chemicals Business License》 Management); fuel oil(Removal of hazardous chemicals), Chemical raw materials and products(Removal of hazardous chemicals、 Monitoring chemicals、 Fireworks、 Civilian explosives、 Precursor chemicals), lubricating oil, Mineral Products, Metal materials and products, Hardware Machinery, Building Materials, Packaging materials, Mechanical equipment, Electronics, Instruments, glass products, Mechanical and electrical equipment, Rubber and plastic products, Energy-saving and environmentally friendly equipment, boiler, Gas equipment, Automobile refueling equipment, Sales of pressure vessels; Machinery and equipment rental; Environmental protection technology development; Mechanical and electrical equipment、 Security equipment、 electronic devices、 Pneumatic equipment、 Instruments、 electronic components、 Installation of natural gas pipeline equipment、 maintain; Biotechnology、 Technological development in the field of gas technology、 Technology Transfer; Petroleum technical consulting services。 Import and export of goods and technology。( Projects that require approval according to law, Business activities can only be carried out after approval from relevant departments)