Structure characteristics: 1. Advanced PLC control system with large color LCD touch-screen; centralized control for complete machines; storage for multiple sets of technical parameters 2. Durable divider and T-type die head structures, advanced flow channel; adjustable layer thickness 3. Screws and machine barrel made from high quality alloy steel with nitrogen treatment 4. Rapid hydraulic net changing device for high efficiency 5. Horizontal 3-roller structure: 3 rollers feature direct connecting modes that can adjust speed singly or simultaneously 6. Double-work position air shaft center rewind device for more convenient operation,.