... /C ITEM NO.300KG HH-AD24-300 24V Automatic Door Operators DC MotorMain specifications and technical parameter1.Environment air temperature changed ... motors, AC&DC door motor, Garage Door and Entrance Gate Operators, garage door opener and other related peripherals.About meName:Liillian ... , Zhangzhou, Fujian, China. 300KG HH-AD24-300 24V Automatic Door Operators DC Motor