... .6 3.20 ton / day 4. 5kg,15kg,20kg per spool CO2 gas protection welding wire ER70S-61) er70s-6 welding wire ... ship building, bridge building, machinery manufacturing and general welding purposesPacking:spool weight: 1kg ,5kg,15kg,18kg,20kg per spooldrum weight: 100kg ... waxpaper, each spool in ploy bag with two little silicon in the carton, then packed onwooden pallets Factory Outlet CO2 gas protection ...