... ,stainless steel pla hole: round,long hole,triangle, standard size:1*2m 3*8 punching metal mesh 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 ...