Ventilation duct construction
Stainless Steel Ventilation Duct
Hebei Ventilation Duct Construction
Air duct installation
Air duct installation
Shijiazhuang Ventilation Pipe Installation
Product Details
Ventilation equipment, fire protection equipment, air conditioning equipment,...
产品Price 15.00/square meters
最小起订Quantity：10 square meters 供货总Quantity： 10000 square meters
Ductwork is a metallic or composite piping used in ventilation and air conditioning systems for industrial and residential buildings, designed to facilitate air circulation and reduce indoor air pollutants. A municipal infrastructure for harmful gas concentration.
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