... consists of uncoiler and its base, coil sheet flattening equipment, C & Z shape forming system, punching equipment, post-cutting equipment,, ... .: Cr12 mould steel with quenched treatment.: all the types from 100 to 250Suitable material for productionC & Z Purlin mainly ... , Hoist Rail, Hand Rail, Car Molding, C-channel,Fire Shatter, M-bar, U-channel Wuxi Chuanghe Roll Forming Machine Equipment Co., Ltd ...