本实用新型涉及一种平开门开关门机。
The utility model relates to a casement door opening and closing machine.
本实用新型涉及一种平开门开关门机。
The utility model relates to a door opening and closing machine of a swing door.
安全门开关设计，开门即停安全可靠。
Special safety switch on the door. Operation stops immediately when the door is opened.
应用推荐