40 Material treatment, namely, metal treatment in the nature of abrasion and magnetization; foundry services, metallurgy services, boiler making, custom manufacture and production of steel, metal melting and casting services, metal continuous casting services, aluminum and copper press extrusion; joining of metal strips end-to-end by welding in the field of rolling, chromium plating, metal casting services; pickling, welding, tinning, rolling, flattening, cutting and planning of metals; forging works, galvanizing of metal, metal plating, electroplating, coating of metal, metal quench hardening, polishing of metal, welding of metal, vulcanization of metal, assembly of products for ordering by third parties, providing information in the field of material and metal treatment