4 inch hvac duct-acoustic duct insulation Our Xuanyuan brand core is based on one main pillar - Striving for Excellence. We are proud of our very powerful organization and our highly capable and motivated workforce – people who take responsibility, take calculated risks and make bold decisions. We rely on the willingness of individuals to learn and grow professionally. Only then can we achieve sustainable success.
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Xuanyuan 4 inch hvac duct-acoustic duct insulation Shanghai Xuanyuan Air Conditioning Equipment Co., Ltd. continues to give high priority to developing 4 inch hvac duct-acoustic duct insulation in the face of the shifting market. The product is found to be in conformance with the requirement of CE and ISO 9001. Its materials are sourced from the leading suppliers in the domestic market, which have high stablility. Its manufacturing has been monitored by QC personnel who picks up defective semi-finished products.aluminum foil duct,flexible aluminum duct 8 inch,6 inch aluminum flexible duct.