·The main material use 33*55 electrophoresis high strength aluminum alloy, durable and will never fade.
· Reasonable structure design and balanced force
· Connecting parts use PA sets, and passed 1.2 million load by 45 degrees spin relaxation.
· The use of multiple protection worm motor, designed for frequent opening. (Lifelong extrange) ? Configuration LED electronic display board, be able to import 500 characters at one time
· Infra-red sensors crash defence to improve product safety.
· The use of infrared ray climb defense alarm system.