... 2.self design 3.material:Q235 4.hot dip galvanised clamp clampclampwe are manufactory of metal parts,such as stamping parts ... hardwares,especally clamps and bolts.we also have chains ,hosit ,trolley and other lifting products.we can desigh the bolt or ... final dream goal of our company.best regardssophiatele:0086057123288152fax:0086057123288153 clamp