- The precise balance spring assemble affect if the aluminum roll up door smoothly operation in motorized or manual, therefore only very little force is required to open the roll up coiling shutter door window manually.
- We use smaller pulley-130 type to satisfy the smaller space, suitable for vehicles, truck, and container….etc manual use.
- We also have the aluminum alloy combined head cover available which is unique and beautiful.
Details
| Height | 100 |
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