Industrial Fan (Axial-flow Firefighting Smoke-exhaust Fan, Centrifugal Firefighting Smoke exhaust Fan ) and Fan Parts, Ventilation Equipment Parts (Air Valve manufacturer / supplier in China, offering Direct Driven Plenum Fan / Centrifugal Impeller Fan for Ahu and Fcu Integration, Energy Efficient Ec Axial Fan for Smoke Extraction and General Ventilation, High Static Pressure Centrifugal Fan Without Casing for Ducted Ventilation Projects and so on.