商業, 世帯, ドラムコーヒーロースター, ハンディコーヒーロースター, Solid drum and Perforated drum, full direct-fire roasting, half-hot air roasting, Solid drum for half-hot air roasting, perforated drum for full direct-fire roasting, cast iron drum, far infrared ceramic coating drum, far infrared shaft-less design drum, sample roasting drum, small batch roasting drum, home bean roasting drum