What about the quality management system in Xuanyuan Air Conditioning Equipment?
Shanghai Xuanyuan Air Conditioning Equipment Co., Ltd. has a complete quality control system which has been implemented for years. The quality control system is focused on incoming materials, semi-finished products and finished products. Regarding finished products in particular, their performance, service life, etc. are all tested before shipping. We will continue improving the quality control and reducing the rejection rate.

Xuanyuan Air Conditioning Equipment has successfully established its own reputation in insulation flexible duct sales. The acoustic flexible duct series is available in a wide range of types and specifications. Xuanyuan flexible duct is in compliance with specifications. It is checked and ensured there are no noticeable deviations from that in approved samples or specifications including style, material, thickness, color, and length. It is manufactured in accordance with the national standards of fire protection and fire safety of buildings. Thanks to its great breathability, this product will not result in many skin problems such as blisters, rashes, and infections. It is self-supporting, meaning it is able to maintain its structure without external support.

Xuanyuan Air Conditioning Equipment carry forward the strategic goal of flexible duct. Ask online!
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