Perforated metal mesh width and length is longer than the width refers to the width of the long common metal mesh finished the whole area is as follows: 1000MM X 2000MM; 1220MM X 2440MM; 1250MM X 2500MM; 1250MM X 6000MM; 1500MM X 3000MM; 1500MM X 6000MM Nanning Bao Yu Metal Products Co., Ltd. can be processed in various other sizes for you according to your drawings. http://yxlq2013.b2b.huangye88.com/ punching Net Margin Margin usually refers metal mesh finished four sides not punching reserved area, generally in the longitudinal direction will remain 20MM real edge in the width direction can be completely punching (no left side), but can be customized according to the size of the left side.