开门机是由电机、变速机构、离合装置组成的一种驱动器，属机电产品。通常用于实现各种门体的电动开启、关闭。
主营电动门开门机及相关配套产品，产品遍布全国。
Main electric drive to open the door and door related products all over the country.
恢复供电时，按一下按钮就使门和车库门开门机重新连接起来。
While recovering the power supply, press button to make the door and the garage doors open a machine to re - link.
本实用新型的优点在于开门机结构简单，装配拆卸维修更加方便。
The electric door operator box has the advantages of simplifying the structure of the electric door and being more convenient in assembly, disassembly and maintenance.
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