... 1.post-equipped with photoelectric sensor 2.Margin of door has safety photoelectric, 3.easy to Control 4 ... the door,the door would not down. 2. Margin of door has safety photoelectric,when the door decline,encountered obstacles door will ... . 4. Power-cut: it can directly open the door by hand-way. 5. Rapid movements 0.8-1 ... automobile plant,textile,printing industries,such as shipbuilding. PVC door