... dryer such as spray tower, rotary dryer, oven and so on.2/ Operating cost is lower than oil furnace and gas ... , Tiancheng Road, Hangzhou City, 310004,China Http://www.cnmbl.com Email:mbl at cnmbl.com hot air system,clean hot air generator,non ... -boiler,non-melting furnace,mbl@cnmbl.com,86-571-86717013 ...