Products
| Specification | Pitch Length | Teeth Number |
| 700 XXH | 1778.00 | 56 |
| 800 XXH | 2032.00 | 64 |
| 900 XXH | 2286.00 | 72 |
| 1000 XXH | 2540.00 | 80 |
| 1200 XXH | 3048.00 | 96 |
| 1400 XXH | 3556.00 | 112 |
| 1563 XXH | 3968.75 | 125 |
| 1600 XXH | 4064.00 | 128 |
| 1700 XXH | 4318.00 | 136 |
| 1800 XXH | 4572.00 | 144 |