Pre-forging heating: applied to gears, ring gears, half shaft connecting rods, bearings, shackles, rigging and other products before forging heating process; online heating: pipeline anti-corrosion spraying, bar material blue brittle cutting, steel (wire) tube online Processes such as quenching and tempering; local heating: heating processes such as U-bolt bending, roller hot assembly, steel pipe bending, etc. Used for diathermy of bar, round steel, square steel, steel plate, temperature compensation, online heating of blue quenching blanks, local heating, online forging of metal materials (such as precision forging of gears, half shaft connecting rods, bearings, etc.), extrusion , Hot rolling, heating before shearing, spraying heating, thermal assembly and overall tempering, annealing, tempering, etc. of metal materials