The New Style BI-FOLD BD4
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| UPPER ROLLER | HANDLE PROFILE | BOTTOM ROLLER |
| The upper roller is the simple design and easy to open and closed. | 2 in 1 advance handle with louvred prevents humidity and accumulates of unpleasant odor in the door. | Increase the smoothness and silence the door while slipping on the aluminium. |
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| LOCK SET ZINC ALLOY |
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• No more plastic lock set • Single lock available |
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| CLUTCH LINK |
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The clutch link is double strong, more grip and extra safety. |
