Teach you choose and buy good Electric roller shutter door
Many customers buy electric roller shutter door very little attention to the characteristics of electric roller shutter doors, Beijing Huateng remind you to buy before the shutter doors need to know the characteristics of electric roller shutter doors, in order to get a good Beijing shutter doors.
First, whether to support electric roller shutter door manual functions manually to easy and fast. Beijing shutter doors and windows, power clutch will turn 90 degrees, you can push operation.
Second, electric roller shutter door can not exist freewheeling phenomenon, to have automatic two-sided card lock function.
Third, in order to improve the smooth running of electric roller shutter doors degree, to enhance the tension, so the Beijing shutter doors factory uses 8 before and after the drive, even the row of gears production installation technology.
Fourth, the observed structure of electric roller shutter doors are precision, lubrication quality, good heat compare electric roller shutter door, with all gears, no chains, no belts, thus enhancing the overall movement of the shutter door life.

