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Spiral round galvanized steel ventilation duct hvac system air condition ductIing

Main feature1. High strength, low resistance, good sealing performance, beautiful appearance, simple installation and long service life;2. The raw materials use......

CE certificate window mounted water evaporative air cooler celsius air cooler

Main Features1) Simple structure in linear type ,easy in installation and maintation. 2) Adopting advanced world famous brand components in pneumatic parts ,ele......

Wall fan vietnam rectangular toilet ventilating two way exhaust fan

Main modelProduct ShowOperating PrincipleFunctionThe ventilation is thorough and efficient, and the ventilation rate can be as high as 99%, achieving the effect......