... 4,Widely used GENERAL DESCRIPTIONS CT-C series hot air circle oven is equipped with low noise ... circle system is fully sealed. It makes the hot efficiency increased from 3-7% of traditional oven to ... The heat source can be steam, hot water, electricity or far infrared. The machine has low noise and stable operation ... , drying varnish and so on. CT-C Hot Air Circulating Drying, Dryer,Oven Machine