| 1 | 4707 DOT BRAKE LINING |
| 2 | One-piece type seamless axle tube SAE1527 equals to 20Mn2 |
| 3 | Spindle harded treatment on bearing position |
| 4 | Quenched and harden beam |
| 5 | Haldex automatic slack adjuster |
| 6 | Stemco oil hub cup |
| 7 | Light alloy hub optional |
| 8 | Hot heating treatment camshaft |
| 9 | Wabco ABS equipment |
| 10 | Tire inflation optional |
| 11 | Customized track length |
| 12 | Camshaft length customized |
| 13 | Automatic welding on bracket and 3 times tensile test |