Metal scrap and ship scrap.
Steel scrap like HS H2 H3 H4, use ship, metal scrap like aluminium scrap.
Copper ore malachite cobalt coltan scrap metal rail scrap and ship scrap hsm i hsmii.
Steel structure riveting and welding processing, mechanical processing,equipment manufacturingï¼?mechanical component processing, crane manufacturing, mechanical manufacturing, metal ship manufacturing, mechanical and electrical equipment installation, steel structure building materials, building metal accessories, hardware products, large scale and heavy duty steel structure equipment manufacturing, factory steel structure.
