1.High efficiency nad reasonable price. 2.It can burn coal, wood,gas, electricity carbon, etc. 3.used to improve oil yield. Two kinds: Item NamePower(kw)Processing Load Per Time(kg)Samll Sized0.7550Large Sized1.190 Item NamePower(kw)Processing Load Per Time(kg)Small Sized0.7560Large Sized1.1140 Full-automatic Rotary Roaster for Oil Press