Fax: 86-574-63787333(the North)
86-574-63787612(the South)
86-574-63787333
Tel: 86-574-63784477(the North)
86-574-63784477(the South)
| Specification | Pitch Length | Teeth Number |
| 112-P2M | 112.00 | 56 |
| 120-P2M | 120.00 | 60 |
| 132-P2M | 132.00 | 66 |
| 180-P2M | 180.00 | 90 |
| 184-P2M | 184.00 | 92 |
| 236-P2M | 236.00 | 118 |
| 250-P2M | 250.00 | 125 |
| 266-P2M | 266.00 | 133 |
| 274-P2M | 274.00 | 137 |
| 280-P2M | 280.00 | 140 |
| 310-P2M | 310.00 | 155 |
| 328-P2M | 328.00 | 164 |
| 426-P2M | 426.00 | 213 |
| 448-P2M | 448.00 | 224 |
| 530-P2M | 530.00 | 265 |
| 560-P2M | 560.00 | 280 |
| 710-P2M | 710.00 | 355 |
| 984-P2M | 984.00 | 492 |
| 1066-P2M | 1066.00 | 533 |
| 1224-P2M | 1224.00 | 612 |