1. UNBALANCE WEIGHT

 - MAN-KOREA : Based MAN-KOREA OEM standard.

① 8kg or under : 50g/

② 8 ~ 10kg : 100g/

 

 - Competing companies : Based International standard.

  ① all kg : 216g/

 

* Almost Chinese companies are based American standard (International standard) in the brake disc & drum. They are producing the brake disc & drum by based 216g/?.

* Unbalance weight is very important in the quality of a nose and vibration.

 

2. TOLERANCE OF THE SURFACE FIGURATION

 - MAN-KOREA : 0.01mm

 - Competing companies : 0.013mm

 

* A large tolerance will be made a nose, vibration and bad braking performace.

* MAN-KOREA DRUM : OEM BASED 0.01 (until 10 micrometer)

* Competing companies : International standard based 0.013 (over 13 micrometer)

 

3. STRENGTH

 - MAN-KOREA : HB 190~230,  210~218

 - Competing companies : HB 187~241

 

* Over strength will be made a nose with brake pad.

* Less strength will be made a bad endurance.

* Our products are very nice nose and endurance because of middle level standards.