Qingdao tongshuai Door Manufecturer Co.,Ltd is the proffessional manufacturer all all kinds of industrial doors. The lifting doors are produced in Germany tech with import equipment, sliding on the fixed tracks, open or close smooth, low noise, high intensity, perfect airproof structure and function, with less rooms, can be opened completely, it is used under the condition of headroom is higher than the door hight, in this way, the door doesn't need to bend and sliding overhead, it can lifting vertical directly. Under This kind of opnening way, the balance systerm need to balanced all the door weight, so there is high demand on balance systerm Panels shape are rollered directly on the same merchine. Colours as customer's demand!
Please browse our website http://www.commanderdoor.com for
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