HTFC-I Single -speed fan for Fire-control 1.used for fire-control and ventilation 2.small size,high efficiently,light weight HTFC-I Single -speed fan for Fire-controlHTFC-I Single -speed fan for Fire-control is widely used for fire control and ventilation in places such as hotels,coliseum,schools,restaurants,cinemas,halls,high class residences and mining industries.HTFC-I Single -speed fan for ...