The registered address of the metal factory in the urban development area is located in the urban development area of shandong province, where projects are conducted: construction of metal structures; manufacture of metal materials; manufacture of non-ferrous metal alloys; sale of traffic and public administration signs; manufacture of metal signs for transport and public administration; manufacture of doors and windows; wholesale processing of hardware products; metal cutting processing services; surface and thermal processing of metals; manufacture of metalworking machinery。