1, housing: the use of high steel FC-25 cast iron;

2, gear: high quality high purity alloy steel 50CrMnT quenched processing, carburizing quenching and grinding into;

3, the spindle by 40Cr quenching and tempering process high pure alloy steel, with high load capacity.

1, bearing: equipped with heavy load capacity of the rolling cone bearing;

2, oil seal: the use of imported double lip oil seal, with a high dust and oil leakage prevention capacity.