semi rigid metal duct Xuanyuan products have become the sharpest weapon of the company. They receive recognition both at home and abroad, which can be reflected in the positive comments from customers. After the comments are carefully analyzed, the products are bound to be updated both in performance and design. In this way, the product continues to attract more customers.
Xuanyuan semi rigid metal duct Shanghai Xuanyuan Air Conditioning Equipment Co., Ltd. is always following the saying: 'Quality is more important than quantity' to manufacture the semi rigid metal duct. For the purpose of providing a high quality product, we request third-party authorities to carry out the most demanding tests on this product. We guarantee that every product is equipped with qualified quality inspection label after being strictly checked.vinyl vent duct,flexi vent pipe,4in flex duct.