... efficiency3 long life4 high qualitymain marketChina, America, Canada, brazialEgypy, England, South Korea,Russia,Sweeden, Turkey, Iran,useglass, stone, granite, marble,concrete, quartzsizeTurbo ... , quartz, HSS,ceramic, tiles, etc. grinding and abrasive fieldscertificationISO900, high- tech, advanced facility,creditful company, high reputation