Guangdong Boya Industrial Co., Ltd. is a professional manufacturer of BOYEAH brand ventilation equipment: centrifugal fire exhaust fan (cabinet centrifugal fan); axial flow fire exhaust fan (exhaust fan, roof fan, tunnel fan, Mixed flow fan, T35 fan); national mandatory certification products such as fire dampers, smoke venting valves, and exhaust valves. Centrifugal fan, axial fan, induction fan; automatic fire damper, plate exhaust vent, hand (electric) moving air volume regulating valve, residual pressure valve, check valve, muffler, static pressure box, fan control box , shock absorbers, anti-vibration brackets and other fire ventilation and cleaning equipment.