We are CHINAFORE INDUSTRIES CO., LTD, established in 1999. We specialize in our complete range of ventilation products including Air valve, Air diffusion, Flexible Ducting, Pressed fitting and ducting accessories, ***** Our team of HVAC products have been engaged for many years.We have a strong design team and our own factory with mass production capabilities, so we can control everything from production to shipment, and we can give you the best quality, shipment and price.