Jinan HuaTeng Precision Machinery Co.,Ltd ,which has established and produced the precision granite products for nearly 20 years. Main products: Many high accurate machines are using granite as their stable bases,axis,guide way bearing beam and other accurate accessories. Those machines include but not limit to all kinds of CMM,laser machines,engraving machine EDM,PCB drilling machines,FPD machines,optical measuring machines linear motor stage black granite is widely used in many industries.^ Granite inspection table,squares,straight edge,square ruler,parallel,V-block,and granite components for high precision equipment such as granite bases and guide rails etc. Our machinery equipment can also finish the process of drilling holes,having slot and bonding inserts according to customer's requirement. It has gained the ISO9001 certification. if you are interesting in our products and have further questions ,please feel free contact me at any time.