... demand composite complex lining, furnace lining,ohmic heating,LGP,LNP or other fule heating system. Trolly annealing furnace is energy-saving ... and the electrical control system of two parts. The main body part including furnace shell, furnace lining, door device, heating element and car ... furnace lining.2.use can choose according to demand ohmic heating or suitable use for diesel,LNP,LGP or other fule ...