... 3.5mm), welds through the carbon dioxide protectio Cuplock scaffolding Cuplock Scaffolding is one kind of common and easy to ... produce all kinds of scaffoldings,such as ringlock scaffolding, cuplock scaffolding, frame scaffolding, shoring props, aluminum-ladder, pine ... -scaffolding board,ply-wood, steel plank,clamps,tower scaffolding, stage scaffolding,stair case scaffolding and ...