ductingchina.com,duct hose-12 inch insulated flexible duct,As the main manufacturer of duct hose-12 inch insulated flexible duct, Shanghai Xuanyuan Air Conditioning Equipment Co., Ltd. carries out a strict quality control process. Through quality control management, we examine and refine the manufacturing defects of the product. We employ a QC team which is composed of educated professionals that have years of experience in the QC field to achieve the quality control goal.
Xuanyuan provides duct hose-12 inch insulated flexible duct products that are selling well in United States, Arabic,Turkey,Japan,German,Portuguese,polish,Korean,Spanish,India,French,Italian,Russian,etc.
Xuanyuan,Our company main produces 3 inch aluminum duct,10 inch aluminum flex duct,4 inch aluminum flex duct.