Licensed Projects: Gas Operation, Road transport of dangerous goods, Mobile pressure vessels/ Gas cylinder filling。( Projects that require approval according to law, Business activities can only be carried out after approval from relevant departments, The specific business projects are subject to the approval documents or licenses of relevant departments.) General Projects: Engage in investment activities with own funds, Sales of coal and its products( No raw coal shall be allowed in the no-burning zone、 loose coal、 coal gangue、 coal slime、 Pulverized coal、 Coal-water slurry、 briquette、 coke、 Semi-coke, etc.), Metal ore sales, Sales of non-metallic minerals and products, Mechanical and electrical equipment sales, Petroleum product sales( No hazardous chemicals),Chemical product sales( Does not contain permitted chemical products), Machinery and equipment rental, Warehousing equipment rental services, Special equipment rental, Sales of station-based hydrogen refueling and storage facilities, Engineering and technical research and experimental development( Elimination of human stem cells、 Development and application of genetic diagnosis and treatment technologies, China's rare and unique precious and fine varieties), Technical Services、 Technology Development、 Technical Consulting、 Technical Exchange、 Technology Transfer、 Technology Promotion。( In addition to licensing business, Able to independently operate projects that are not prohibited or restricted by laws and regulations)