Applicationt: 
audi (A6L, A4L, A4, A1, A8, A5, R8, Q7, Q5, TT, S6, S4, allroad)
Production Description:
Feature:
1. Power metallurgy gear ring
2. Used in wheel hub unit.
3. Material: 20# steel, Low- Carbon seamless steel pipe.
4. Treatment: Galvanization, Dacromet.
5. Tooth face form: Terminal Face, Ring Tooth.