Core indicators:
1、 Table Size: 2.7m*1.5m and 1.8m*1.2m.
2、 Countertop Thickness：300mm
3、 Fine surface treatment
4、 Flatness less than 0.1mm/㎡and roughness less than 0.8μm.
5、 Inherent frequency less than 6Hz and amplitude less than 5μm.
6、 Customized L-shaped High Stability Optical Instrument Rack
7、 Dark room surrounded