Industrial Door: Industrial Gate are usually applied as gate for staff and vehicles in factory building and other industrial precinct. Compared with general door, industrial door are bigger and heavier, has higher safety standard.According to different ways of door opening, industrial door can be divided three types, sliding door, horizental door, roller shutter dooor. Industrial doors are usually sliding door. Sliding door means door is hoisted up in the slide rail, specially suited for buildings of which door opening space both side is small. By different installing way, industrial door can be classified into segment hoisting, vertical hoisting, layered hoisting and other ways.