Product Information:1) Standard: Comply with ANSI/EIF RS-310-D,IEC297-2, DIN41491,PART 1, DIN41494, PART7, GB/T3047, 2-92 Standard2) Material: SPCC quality cold rolled steel3) The thickness: Square hole strips 1.5mm,others 1mm4) Surface finish: Degrease , acid picking, rust...