Licensed Projects: Mobile pressure vessels/ Gas cylinder filling, Road transport of dangerous goods, Gas vehicle refueling business。( 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: Import and export of goods, Technology import and export, Basic chemical raw materials manufacturing( The manufacture of permitted chemicals such as hazardous chemicals is not required),Specialty chemical product manufacturing( No hazardous chemicals), General equipment manufacturing( Excluding special equipment manufacturing), Instrument Manufacturing, General parts manufacturing, gas、 Liquid separation and purification equipment manufacturing, gas、 Liquid separation and purification equipment sales, Machinery and equipment sales,Chemical product sales( Does not contain permitted chemical products), Special equipment sales, Mechanical parts、 Parts Sales, Specialty chemical product sales( No hazardous chemicals), Food additive sales, Machinery and equipment rental, Small and micro passenger car rental services, Special equipment rental, Engineering Management Services, Technical Services、 Technology Development、 Technical Consulting、 Technical Exchange、 Technology Transfer、 Technology Promotion, Information consulting services( No licensing information consulting services), Sales of station-based hydrogen refueling and storage facilities。( In addition to licensing business, Able to independently operate projects that are not prohibited or restricted by laws and regulations)