... furnace(containing vacuum furnace, carburizing furnace, wire furnace, atmosphere furnace etc), especially widely used in petrochemical, spinning, electric, instrumentation, mechanical workout, military project etc industry.Furnace tube ... OD25~3031~4041~5051~6061~7071~8081~9091~100ID19~2324~3233~4041~5051~6061~7071~8081~90L200~1600 Main ...