With 15 years experience, VENTECH has many types of air damper which designed to control the air volume and humidity, like opposed blade damper, volume control damper, GI damper, back draught damper, etc.

With 15 years experience, VENTECH has many types of air damper which designed to control the air volume and humidity, like opposed blade damper, volume control damper, GI damper, back draught damper, etc.
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