... and maintain 2.self design 3.material:Q2354 clamps,we are manufactory of metal parts,such as ... stamping parts,punching parts,construction hardwares,especally clamps and bolts.we also have chains ,hosit ,trolley ... and other lifting products.we can desigh the clamps or other products according to the customers'requests.and ... of our company.tele:0086057123288152fax:0086057123288153 clamps