This type of machine is mainly used for making EMS, DHL, UPS, TNT and ... other envelopes. This type of machine is mainly used for making EMS, DHL, UPS, TNT and other envelopes ... easy open strip coating can be incorporated, so integrated flow process comes true. The machine is applicable to production for ... Now, this type of machine has been widely used for the envelope production of EMS, UPS, DHL and ...