... apperance convenient maintainance excellenct after-sale service Application: The furnace is a new energy-efficient products, mainly for a ... aluminum Burning along the tangent direction of the end of furnace, furnace gas circulation strong and evenly distributed. 4, melting ... .6, easy to operate, no dead slag.7, furnace length, ≥ 4 years of hearth furnace, shaft furnace ≥ 2 years. casting furnace