General Projects: Mining machinery manufacturing, General equipment manufacturing( Excluding special equipment manufacturing), Manufacturing of special equipment for environmental protection, Non-residential real estate rentals, Machinery and equipment sales, Sales of special equipment for environmental protection, Mining machinery sales, Industrial Design Services, Industrial Engineering Design Services, Import and export of goods, Technology import and export, General mechanical equipment installation services, Sales of metal packaging containers and materials。( In addition to licensing business, Able to independently operate projects that are not prohibited or restricted by laws and regulations) Licensed Projects: Production of packaging and containers for hazardous chemicals。( 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.)