Step furnace, healing due to its high efficiency, heating uniform characleristics under various rolling mills arewidely favored, as its key equipment infurnace inlet ana discharge cantilever roller, bearing high temperature and highpressure. the conditon ol continuous operation, common roller set easy to falloff. craze. roll shaft leakage, low service life of the phenomenon. My companyset many years of experience in manufacluring processes and user loodbackthrough long-lerm tracking and the service seriously, perfect advancea prossure lesling and the physical and chemical testing. Through increased invest-ment in hardware innovation process improve the assembly structure completely solve the above problem, make the structure morerensonable, long-term and stable life.