通风管道是工业与民用建筑的通风与空调工程用金属或非金属管道，是为了使空气流通，降低有害气体浓度的一种市政基础设施。
风管制作与安装所用板材、型材以及其他主要成品材料，应符合设计及相关产品国家现行标准的规定，并应用出厂检验合格证明，材料进场时应按国家现行有关标准进行验收。安阳优质通风管道万达管道来帮你。
Ventilation duct is a kind of metal or nonmetal pipeline for industrial and civil buildings. It is a kind of municipal infrastructure in order to make the air flow and reduce the concentration of harmful gases.
The production and installation of the wind pipe with the use of panels, profiles and other major product materials, should be in accordance with the relevant design and related products, the current national standards, and the application of factory inspection certification, the material approach should be in accordance with the relevant national standards for acceptance. Anyang high quality ventilation pipeline to help you