... used as grind medium in ceramic industry,high sio2,goodhardness,abrasion proof,acid resistance and alk ali proof. We manufacture all ... ),which are regarded as the most economical medium of milling,for grinding raw materials like zirconium silicate, feldspar,sand, kaolin, ... branch, Endeka ceramic Spain,China,India and Malaysia branch are using our products for long time.Taking the unique advantage of ...