... W – 3200 W plastic welding machine, 4200 W – 5600 W high power plastic welding machine and other precision welding equipment: double-head ... machine:1. Welding area for large and complex, welding the high requirements products, superior welding results; 2. Digital set welding ... disk, U disk, SD card, CF card, USB connection, Bluetooth devices, and so on.Stationery: folder, album, folding boxes, PP ...