Share 'Roasting machine advise'

Dear all,  We are looking at roasters at the moment and suppliers seem to differ on their opinions on roasting machines.  The Ambex roaster YM-15 says it can with small adjustments roast cocoa beans.  Some other companies seems to think that this is not possible with the issue of direct and indirect heating. And then also the issue of gas and hot air. Have someone used the Ambex for cocoa bean r…