... ,ISO9001 2) 31 years history 3) Raw material: Qingdao Steel mig brass welding wire1) Quality approved byJIS, GL, LR,ISO9001 2 ... ) 31 years history 3) Raw material: Qingdao Steel mig welding wire AWS ER70s-6 applications:welding carbon steel,500MPa ... high strength steels,welding in cars,building,bridgeCo2 mig welding wire AWS ER70s-6 :1. Properties: Used for welding ...