1) Alloy steel forging, triple heat treatment, moderate hardness, uniform hardness, thick hardness layer, the product is durable and protects the track.
2) High-precision machine tools with repeated positioning of O.oo1mm ensure the product's
dimensional tolerance of 0.025mm.High precision can ensure longlife.
3) Bearings, oil seals, shafts and other accessories are all of high quality, and the product life is guaranteed.