Steel Structure, Metal Building Materials, Welding Wires manufacturer / supplier in China, offering Aws Sg2 Mild 1.0/1.2/1.4/1.6mm Er70s 6 TIG CO2 Gas Shielded Copper Coated Metal Aluminum Stainless Steel Solder Consumables Solid MIG Rod Electrode Welding Wire, China Building Construction Steel Structure House Workshop House Construction Steel Warehouse Structure Buildings, Precise Control - Enabled Smart Welding by Advanced Sensors Intelligent Welding Robot and so on.