galvanized perforated sheets material:hot-cold steel plate, hole: round,long hole,triangle, standard size:1*2m 3*8 galvanized perforated sheets material:hot-cold steel plate,stainless steel plate,aluminum plate,copper plate,hole: round,long hole,triangle,square hole,fish scale hole,standard size:1*2m 3*8m 3*10m 4*8m 4*10mPerforated metal sheets/square perforated sheets/metal perforated sheets/ ...