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By certification 
The axles are widely used in wagons, trains, construction machines,etc. It is a key competent in the machines.We do the Ultrasonic testings of the axles.
The axles with tight tolerances, diameter up to 500mm, length up to 2980mm. We made a special machine to drill the three threading holes in both sides, this is also the difficult point of this axle.
Machining equipments: Big CNC lathes, special machine for drilling.
Heat treatment: Q+T.
Materials: 42CrMo4, 34CrNiMo6, etc.
Highlights of the axles: Heavy load bearing, high precision.
