4 inch flexible aluminum duct To establish Xuanyuan brand and maintain its consistency, we first focused on satisfying customers' targeted needs through significant research and development. In recent years, for example, we have modified our product mix and enlarged our marketing channels in response to the needs of customers. We make efforts to enhance our image when going global.
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Xuanyuan 4 inch flexible aluminum duct 4 inch flexible aluminum duct is known as the profit maker of the Shanghai Xuanyuan Air Conditioning Equipment Co., Ltd. since the establishment. Quality control team is the sharpest weapon to improve product quality, which is responsible for inspection in each phase of production. The product is examined visually and the unacceptable product defects such as cracks are picked up.jpl flex duct,20 flex duct,300mm flexible ducting.