1.manually controlled or preprogrammed baking. 2.Large glass window for observation 3.32 trays(40*60 or 60*80cm) Suitable for french baguettes, toast bread, yeast bread etc.Hot-air and hook circulating heated.With 4 energy types: gas, diesel, electric and coal driving. diesel Rotary bakery oven (32 trays)--(CE&ISO-9001 Approval,Manufacturing)