insulation flexible duct-insulated exhaust duct Xuanyuan's effective marketing is the engine that drives our products' development. In an increasingly competitive marketplace, our marketing staff constantly keep up with the time, giving feedback on the updated information from the market dynamics. Thus, we have been improving these products to meet the customers' needs. Our products feature high cost-performance ratio and bring many benefits to our customers.
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Xuanyuan insulation flexible duct-insulated exhaust duct insulation flexible duct-insulated exhaust duct of Shanghai Xuanyuan Air Conditioning Equipment Co., Ltd. is excellent in quality and performance. As far as its quality is concerned, it is made of high-quality materials which have been carefully tested before production and processed by our advanced production line. We also have established a QC inspection department to monitor the product quality. In terms of the product performance, our R&D conducts performance testing from time to time to ensure the long-lasting and stable performance of the product.6 inch insulated ducting,4 inch insulated flexible duct,ductwork insulation.