Roller shutter:The fixed seat of the new pull rod is provided with a lock, which is more simple and beautiful compared with the old one, and the lock core is more durable.
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Scroll:The new scroll spring is improved, and with built-in bearing, the rolling door opens more smoothly.
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Rain gutter: The new model is more beautiful and practical.
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The new rubber strip replaces the brush, which is more beautiful, durable and better sealing.
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The new mounting plate guide rollers have bearings, the shutter doors open more smoothly, and the old installation plate guide rollers have no bearings.
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