Features: 1. Variable frequency drive (Taiwan TECO) is for running regulation, power saving and easy operation. 2. Both sides printing. If 6 colors, 6 + 0, 5 + 1, 4 + 2, 3 + 3. 3. Printing materials: PE, PP, OPP, Kraft, tissue and other web rolls. 4. All pulling rollers are made of stainless steel to insure top dynamic balance.