flex duct main trunk Whether customers want to redesign the flex duct main trunk or other products at [网址名称] or want to customise a new product, we have qualified design and engineering teams to serve your needs. For customised product, we can offer free design scratch and pre-production samples.
Xuanyuan flex duct main trunk The product mix under Xuanyuan brand is key to us. They sell well, sales making up a great proportion in the industry. They, based on our efforts into market exploration, are step by step accepted by users in different districts. In the meantime, their production is expanded year by year. We may continue increasing the operating rate and expanding the production capacity so that the brand, in large scale, will be known to the world. 16 inch flexible ductwork,spray foam flex duct,14 inch flexible ductwork.