... furnace lining,ohmic heating,LGP,LNP or other fule heating system. Trolly annealing furnace is energy-saving cycle type homework furnace ... of the car box construction furnace, the furnace and the electrical control system of two parts. The main body part including furnace ... use for diesel,LNP,LGP or other fule heating system.Technical parameter(ohmic heating): The trolley car annealing furnace