black granite surface plate granite surface plate:Black granite surface accuracy please refer advanced leading countries standard platness tolerance grade 000=1*(1+d/1000)um gra
Granite Square Bom Our granite measuring devices and granite mechanical components are made of high quality "Jinanqing" granite.Due to their high precision ,l
Granite Lathe Bed Black granite surface accuracy please refer advanced leading countries standard flatness to JB/T7975-1999 and JJG117-91 standard.We can provide our c
granite bed plate granite bed plate :1.for inspecting paralielism for work-pieces also for replacing the working blocks at the same height when required. 2.supplied in
granite straightedges granite straightedges: 1,for inspecting the straightness and flatness 2,Welcome your iPrecision grade table of granite rules seriesDimension (mm
Granite machine component Our granite measuring devices and granite mechine component are made of high quality "Jinanqing"granite due to their high precision ,long d
