... UnionSupply Ability5000 square meters / day3. Main Products Air Conditioning Duct , are fabricated from Phenolic Foam , Polyurethane ... . Air Conditioning Duct is used for to make the air conditioning heat preservation ventilating duct's material ... , widely used in hospital, hotel, market, supermarket, guesthouse, airport, stadium, workshop, food store, pure project and so on. Air Conditioning ...