Sway around the country to undertake professional style steel fire shutter doors and the production and installation of horizontal steel fire shutter doors. The company has the most cutting-edge patented technology, simple lateral type fire shutter doors with horizontal steel fire shutter doors installed in the company structure, stable performance, long-term use, do use anti-theft doors, the failure rate is very low, open and close fast, they can really achieve both fire alarm purposes. Completely subvert the traditional lateral-type steel fire shutter doors with horizontal steel fire shutter doors due to high failure rate, opening and closing slow but neither fire nor security situation. This patented technology area authorization, welcomed the talks! Tel: 18608492684 Xie