| ITEM | QH698 | QH6912 | QH6915 | QH6920 | QH6925 |
| Workpiece width | <600mm | <1000mm | <1500mm | <2000mm | <2500mm |
| Workpiece height | <1200mm | <1500mm | <1800mm | <2500mm | <3000mm |
| Workpiece length | 1-20m | 1-20m | 1-20m | 1-20m | 1-20m |
| Turbine quanity | 4/6 | 6/8 | 8 | 8/10 | 10/12 |
| Turbine motor power | 7.5 kw | 7.5 kw/ 11kw | 11kw | 11kw/15kw | 15/kw |
| Roller length | 3m-20m | 3m-20m | 3m-20m | 3m-20m | 3m-20m |
| Foundation | no pit | need pit | need pit | need pit | need pit |
| Tatal power | about 40 kw | about 60 kw | about 100kw | about 150 kw | about 200 kw |
| Abrasive used | S280, S330 | S280, S330 | S280, S330 | S330,S390 | S330,S390 |