Licensed Projects: Mining of non-coal mine mineral resources。( 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: Lightweight building material manufacturing, Lightweight building materials sales, Thermal and acoustic insulation material manufacturing, Sales of thermal and acoustic insulation materials, Refractory production, Refractory sales, Cement product manufacturing, Cement product sales, Concrete structural component manufacturing, Concrete structural component sales, Ecological and environmental material manufacturing, Sales of ecological and environmental materials, Non-metallic mineral product manufacturing, Sales of non-metallic minerals and products, Manufacturing of new building materials( No hazardous chemicals), Building materials sales, Insulation material sales, Sales of building decoration materials, New material technology research and development, Research and development of construction waste recycling technology, Resource recycling technology research and development, Mechanical equipment research and development, General equipment manufacturing( Excluding special equipment manufacturing), Special equipment manufacturing( Excluding licensed professional equipment manufacturing), Machinery and equipment sales, Manufacturing of special equipment for environmental protection, Sales of special equipment for environmental protection, electronic、 Mechanical equipment maintenance( Excluding special equipment), General mechanical equipment installation services, Information consulting services( No licensing information consulting services), Technical Services、 Technology Development、 Technical Consulting、 Technical Exchange、 Technology Transfer、 Technology Promotion, Technology import and export, 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)