1,Grinding Machine Passed ISO9001 2,double faces lapping 3,auto controlled 4,Lapping glasses and sealing ring ModelKL2M610-Bworkpiece thinnest thickness/mm200workpiece thinnest thickness/mm1workpiece processing precisiondepth of parallelism0.005thickness deviation mm±0.005working tablemillstone/mm2-610rotating speed R/MINupper disk32 solar wheel 18.29lower disk 60electric motor/kw3 electric ...