Its business scope includes solid waste treatment; Sales of waste carbon fiber composite material treatment equipment; Solid waste detection instrument manufacturing; Machinery parts, spare parts processing; Metal cutting services; Non-ferrous metal calendering processing; Steel calendering processing; Metal seal manufacturing; Metal processing machinery manufacturing; Metal cutting and welding equipment manufacturing; Metal cutting machine tool manufacturing; Manufacture of metal chains and other metal products; Metal commodity manufacturing; Metal surface treatment and heat treatment; Metal packaging containers and materials manufacturing; Metal tool manufacturing; Metal structure manufacturing; Metal material manufacturing; High-performance non-ferrous metal and alloy material sales; Sales of metal parts for construction; Metal structure sales