shandong LY Upvc Profile Sheet

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Maintenance tips of ly plastic steel window

Maintenance tips of ly plastic steel window

1. The oil stain can be scrubbed with “clean and bright”, and attention should be paid not to let the doors and windows be stained. 2. Clean sundries in time to avoid poor drainage and water leakage. 3. The speed is uniform when opening and closing. 4. Avoid hitting with hard objects. 5. In case of any abnormality, the cause …

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