insulated vent duct-flexible aluminum duct To ensure that Shanghai Xuanyuan Air Conditioning Equipment Co., Ltd. is providing the highest quality insulated vent duct-flexible aluminum duct, we have effective quality management that fully meets regulatory requirements. Our quality assurance staff has the necessary manufacturing experiences to effectively manage product quality. We follow standard operating procedures for sampling and testing.
Xuanyuan insulated vent duct-flexible aluminum duct The brand Xuanyuan represents our capability and image. All its products are tested by the market for times and are proven to be excellent in quality. They are well received in different countries and regions and are re-purchased in large quantities. We are proud that they are always mentioned in the industry and are examples for our peers who together with us will promote business development and upgrade. flexible aluminum,aluminum flexible pipe,aluminum duct pipe.