... , UPS, TNT and other envelopes. This type of machine is mainly used for making EMS, DHL, UPS, TNT and other envelopes. In the ... adhesive sealing. Now, this type of machine has been widely used for the envelope production of EMS, UPS, DHL and Shunfeng Express most ... ca:150—350g/m2 cardboard paper Max.mailer size:280mm x 400mmMin.mailer size:200mm x 230mm Machine size: two part: 6000mm ...