500mm flexible ducting Shanghai Xuanyuan Air Conditioning Equipment Co., Ltd. upholds the highest standard in the manufacturing of 500mm flexible ducting. We establish an internal quality control team to inspect every step of production, request external third-party certification bodies to conduct audits, and invite customers to pay visits to our factory per year to achieve this. Meanwhile, we adopt advanced production technology to improve the quality of the product.
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Xuanyuan 500mm flexible ducting 500mm flexible ducting is no doubt the icon of the Shanghai Xuanyuan Air Conditioning Equipment Co., Ltd.. It stands out among its peers with a relatively lower price and more attentions to R&D. The technological revolution can only be identified to add values to the product after repeated tests are carried out. Only those who pass the international standards can go to the marketplace.expandable aluminum ducting,5 flexible aluminum duct,aluminum heating duct.