... : up to 7 colorsPacking:carton Classification:snack food, coffee bean ,biscuit, chips, dry food, packaging film, packaging material ... process:Mould making, printing, lamination, separating and cutting, bag making, examing Feature:Superior printing quality, great to ... center sealing bag, trilateral sealing bag, vacuum bag and side gusset bagsaluminum foil bags, PE bag, BOPP color bag, transparent bags ...