product information: Capability and Character: 1ï¼The machine was design for printing side envelope that differ model. 2ï¼Adopted clutch made in Japan and Photoelectric Exploratory made in Germany to insure the dimension correctness at envelop and cut. 3ï¼Adopted imported frequency conversion timing device to ensure machine running reposefully. 4ï¼Standard equipped triangle hem device and automatic correct an error and rise power device. 5ï¼Choose and buy the fittings for differ making bag need in below: Aï¼The device that heat up to vertical solder up and down. Bï¼The device that Insert bottom and break jaws. Cï¼The device that adding solder with plastic strengthen pieces.