furnace door automatically open type
some updating on the design as following:
much easier and more convenient operation which names automatically furnace door open through touch screen operated
much better on the temperature keeping and insulation
much better on the quality stablization
![[s]1.jpg](/uploads/image/dfeni/2018-01-03/smallcae4d7e71a77aa915f78e901af10cf7b.jpg)