granite surface plate

Granite mainly composition is augite,Plagioclase,few olivine ,biotite and micro- magnetite,black bright color,structure of precision,through millions of years ageing,uniform texture,good stability,high strength ,high hardness and so on.It keep high precision in heavy load,being used in industry producing and lab measuring commonly.
Size:
1.The largest size for production is 3000mm width and 6000mm length
2.We also accept to make any relative process
granite surface plate