Material: steel /stainless steel block. We sell all kinds of pulley blocks,and all ... procucts have been approved by ISO9001. H407 champion snatch block .tail-board 1.Material: Stainless steel, Carbon steel, Alloy ... Machinery, Metallurgy, Railway4.Surface: Electric galvanized, Hot dipping galvanized5.Process: Forged, Casted, Stamping, Welding6.Port: Qingdao7.Packaging:Box, Carton, Pallet, Gunny ...