工业门价格高低与其性能成正比，加上现在商铺遍地都是，对于这种安全、便捷的工业门
也越来越青睐，那在选购时，需要注意哪些要点呢？
Industrial door is directly proportional to the price and performance, plus the shops and the land is now, for this kind of safe and convenient industrial door is becoming more and more popular, that is when the choose and buy, what points need to pay attention to?
1、是否支持手动功能，手动要方便，快捷。停电时将离合扭转90度，即可手推运行。
1, whether to support manual function, manual, more convenient and quick. Power failure will clutch turn 90 degrees, can push operation.
2、工业门不能存在惯性滑行的现象，要具有双面自动卡锁功能。
2, industrial door cannot exist the phenomenon of freewheeling, want to have double automatic card lock function.
运行平稳程度，要增强拉力，所以本厂采用的是8轮前后驱动，连排齿轮转动的生产安装技术。
3, in order to improve the electric shutter smooth operation level, to enhance the tension, so the factory USES is 8 before and after the wheel drive, gear running number production installation technology.
4、观察工业门的结构是否精密，润滑程度好坏，好的电动卷帘门散热比较，采用全齿轮转动，无链条、无皮带，进而增强了卷帘门机芯整体寿命。
4, observe whether the industrial structure of the door precision, good or bad lubrication degree, good electric shutter radiator comparison, adopts full gears, chains, belts, then enhance the shutter movement as a whole life.