Inside and Outside torsion-spring balance system.

1. Three functions of remote control, electric-driving and hand-operating
2. Inside and Outside torsion-spring balance system.
3. Doorplate use high-grade galvanized plate, its surface is embossed with attractive and

classical timber grain.
4. The core layer is solid polyurethane foam with better effect of heat preservation and

sound insulation.
5. The thickness of doorplate is 40-50mm
6. Infrared protection device is optional.
7. Motor: 1/2HP, 0. 25KW, 220V, 50HZ.
8. Elevating speed: 140mm/s, noise intensity<65db
9. Effective remote-control distance: Within 30m
10. Equipped with emergency lock for power cut

HS Code:  73083000
Trademark:  HH
Productivity:  10000pcs/month
Origin:  CHINA
Transportation:  ocean shipping