grinding media 1.advanced technology and equipment 2.certification:ISO9000 3.experienced in foreign trade 4.best service High Density Grinding Meida Specification materialpottery clay,quartz,feldspar etc.shapeprismlength of a side6mmterms of payment D/P,T/T,L/Ccolourwine,green,yellow,etcfunctionsurface treatment of the non-ferrous metal partscertificationISO9000Terms of PaymentWe support T/T, L/C ...