BOS-306D Electrical deck oven 1.Many different type avaliable : one deck two trays; two deck four trays; three deck six trays . or one deck three trays ;two deck six trays ; three deck nine trays. or one deck four trays ;two deck eight trays ,three deck twelve trays. or one deck five trays ;two deck ten trays,three deck fifteen trays. 2.Electric or Gas type avaliable . 3.Electronic organs imported from Japan and Germany With micro-computer control of the temperature, solid and durable,with best heat preservation and great efficiency.