... referring to related foreign advanced technologies. The lifting chain of mild alloy steel is welded by method of twiceresistance current flow, and ... : 2160KG.keywords: lifting chain, g80, g100, butt-welding, chain, antiskid chain, decoration chain, binding chain, marine anchor chain, mine chain, chain hoist, chain lock, drag chain, transmission chain, conveyor chain, manual hoist.About ...