Carbonization stove (gas flow type) is our newest developed products with 3 patents (200610017704.5, 200630100340.8, 200620031713.5), and adopt advanced hot air carbonizing processing technology, which greatly increased carbonizing ratio (increaced from about 88% to 99%) and shortened the carbonizing time ( from 24 hours to 6 hours), and show the features of easy operation, higher safety, high efficiency, energy saving and environment protection.