Volume control damper produced by Ventech Air Conditioning is in the domestic leading position. access door series manufactured by Ventech Air Conditioninginclude multiple types. And the products shown below belong to this type. Ventech Air Conditioninglouvered return air grille has gone through the following production process: the preparation of metal materials, cutting, welding, surface treatment, drying, and spraying. The product is highly energy efficient. When it is not in use, it can automatically stand by to help minimize power consumption.
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