Shanghai Xuanyuan Air Conditioning Equipment Co., Ltd.(Xuanyuan Air Conditioning Equipment) mainly produces hvac flex duct. Xuanyuan Air Conditioning Equipment provides a wide range of flexible duct for customers. And we carry out strict quality monitoring and cost control on each production link of aluminum flexible duct, from raw material purchase, production and processing and finished product delivery to packaging and transportation. This effectively ensures the product has better quality and more favorable price than other products in the industry.