... 120 kw for machine tool rail quenching, facilitate the big cross section machine rail quenching and applications.2, walking speed: double ... hot formingA, all kinds of standard parts, fasteners, machinery spare parts, hardware tools, straight shank twist drill hot upsetting, hot ... the chain wheel, the gear, valve, ball head pin, large machine guide, nodular cast iron quenching.3, brazing :all kinds ...