General Projects: Technical Services、 Technology Development、 Technical Consulting、 Technical Exchange、 Technology Transfer、 Technology Promotion, Sales of special equipment for environmental protection, Special equipment manufacturing( Excluding licensed professional equipment manufacturing), General feeding、 Dispensing device manufacturing, General equipment manufacturing( Excluding special equipment manufacturing), General feeding、 Dispensing device sales, Non-metallic mineral product manufacturing, Manufacturing of building waterproof membrane products, Mechanical and electrical equipment manufacturing, Instrument Manufacturing, Lime and gypsum manufacturing, Material handling equipment manufacturing, Metal structure manufacturing, Building block manufacturing, Manufacturing of metal parts for construction, Sludge treatment equipment manufacturing, Ecological and environmental material manufacturing, Manufacturing of new building materials( No hazardous chemicals), Sales of non-metallic minerals and products, Additive manufacturing equipment sales, Mining machinery sales, Machinery and equipment sales, Mechanical parts、 Parts Sales, Construction machinery sales, Machinery and equipment rental, Metal processing machinery manufacturing, Mechanical parts、 Parts processing, Sales of hydraulic power machinery and components, Material handling equipment sales, Mechanical and electrical equipment sales, Sales of steel bars for construction, Construction machinery and equipment rental, Metal structure sales, Sales of vibration and noise reduction equipment, General equipment repair, Engineering and technical research and experimental development, Lime and gypsum sales, Metal material sales, Sales of surface functional materials, Instrument sales, Sales of special instruments for environmental monitoring, Mechanical equipment research and development, Wastewater treatment and recycling, Intellectual Property Services(Except for patent agency services), electronic、 Mechanical equipment maintenance( Excluding special equipment), General mechanical equipment installation services, Non-residential real estate rentals, Import and export of goods。( In addition to licensing business, Able to independently operate projects that are not prohibited or restricted by laws and regulations) Licensed Projects: Electrical installation services, Construction project construction。( 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.)