1. Flow channel systematic design is based on theoretical calculation& practical conclusions, adopting reasonable compressing ratio and strain technology according to different formula and technique.

2. Multi-cavity separate feeding system design makes flow channel geometric smooth transition and no blind angle. Flow channel is highly polished to ensure best extrusion speed.

3. Calibrator uses high efficient vacuum device and cooling system design to guarantee great quality of finished products and smooth profile surface.

4. High-sealing vacuum water tank adopts floating setting design, able to adjust automatically.

5. Product types: casement window, sliding window, louver window, sliding door, casement door, folding door and rolling door, etc.