General Projects:Metal material manufacturing, Technical glass manufacturing, Glassmaking, Door and window manufacturing and processing, Non-ferrous metal rolling processing, Metal structure manufacturing, Manufacturing of daily glass products, Thermal and acoustic insulation material manufacturing, Non-ferrous metal alloy manufacturing, Metal structure sales, Door and window sales, Optical glass sales, Non-ferrous metal alloy sales, Sales of new metal functional materials, Metal material sales, Metal product sales, Sales of building decoration materials, Building materials sales, Interior wooden door and window installation service, Trade Brokerage, Domestic trade agent, Import and export of goods, Technology import and export, Metal scrap and chip processing。( In addition to licensing business, Able to independently operate projects that are not prohibited or restricted by laws and regulations)