Standard size of envelopes at home and abroad
International envelope standard size C6 size 162 mm × 114 mm newly added international specifications B6 size 176 mm × 125 mm is consistent with current size 3 envelope DL No. 220 mm × 110 mm is consistent with the current No. 5 envelope ZL 230 mm × 120 mm is consistent with the current envelope 6 C5 size 229 mm × 162 mm is consistent with current size 7 envelope C4 size 324 mm × 229 mm is consistent with the current size 9 envelope Standard size of domestic envelope B6 size 176 mm × 125 mm is consistent with current size 3 envelope DL No. 220 mm × 110 mm is consistent with the current No. 5 envelope ZL 230 mm × 120 mm is consistent with the current envelope 6 C5 size 229 mm × 162 mm is consistent with current size 7 envelope C4 size 324 mm × 229 mm is consistent with the current size 9 envelope NINGBO CHEN WEI SUPPLY CHAIN MANAGEMENT CO.,LTD , https://www.chenweifurniture.com