... 24 hours 4:IGBT modules Cooper Induction Coils For Shaft Heating Equipment Applications :1. Automobile manufacture industry : ... screw,gear, shaft ,connection rod ,camshaft,etc. parts 2.Tractor and construction ... lathe , milling machine, grinding machine ;gear, shafts,spline shaft ,etc.4.Heavy machinery:Concret pump convey machine, excavator ...