... steel,stainless,aluminum alloy 2.Finish:powder coat,zinc plated elevator hardware sheet metal part1.Strictly quality control by 100% inspection2 ... equipments2000T hydraulic press machine,1600T hydraulic press machine, CNC machinery center, CNC laser-cut machine, CNC flame-cut machine, CNC bending ... cutting machine, hacksaw cutting machine, rolling machine and so on. elevator hardware sheet metal part