acoustic duct insulation While developing products such as acoustic duct insulation, Shanghai Xuanyuan Air Conditioning Equipment Co., Ltd. puts quality at the heart of everything we do, from verifying raw materials, production equipment and processes, to shipping samples. Hence we maintain a global, comprehensive and integrated quality management system based on regulatory requirements and industry best practices. Our quality system complies with all regulating bodies.
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Xuanyuan acoustic duct insulation We are on the same side with customers. We don’t facus on selling acoustic duct insulation or the latest products listed at Xuanyuan Air Conditioning Equipment– instead – we listen to customers' problem and offer product strategies to resolve the root of the problem and achieve their objectives.flex duct for return air,8in flexible duct,hart and cooley flex duct.