granite surface plate for sale

granite surface plate for sale
 

Product description:

Adopting high quality 'Jinan Qing ' natural material of granite,granite surface plate is manufactured by

mechanical processing and manual polishing.The main mineral ingredients of granite are pyroxene,

anorthose,less olivine,black mica and less magnetite. Aging through hundreds of millions years ,the granite can still retain even character ,stable ,high strength and hardness,and can kepp high precision at heave duty.it is suitable for industrial production and measuring works at laboratory.