Dry system 1.High effect of drying, easy handing 2 ... is the ideal dryer equipment of humid materials Rotary Dryer System with Cyclone Dust Collector -Reasonable structure, precisely made ... -High capacity, low consumption -OEM Rotary Dryer System with Cyclone Dust Collector is tengfei's major product, so ... 3. Can I use the coal or gas as the heating source?Yea, you can use coal, gas, electricity, ...