| Ort der Herkunft |
Shandong China (Mainland) |
| Marke |
HuaTeng |
granite surface plate:Black granite surface accuracy please refer advanced leading countries standard platness tolerance grade 000=1*(1+d/1000)um grade 00 =2*(1+d/1000)um grade 0=4*(1+d/1000)um grade 1=8*(1+d/1000)um (d is the length of the plate' s diagonal mm)