pvc roller shutter
This fast door opens at 2.0m/s and closes at 1.0m/s, significantly improving work efficiency and maintaining indoor cleanliness and temperature.
- The description claims that the door can increase material transfer speed by more than 5 times.
- The description claims that the door reduces indoor environmental pollution by preventing outdoor air and dust from entering.
- The description claims that the door helps maintain indoor temperature, keeping rooms cool in summer and warm in winter.
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