... of mills like sand mill,, attritor-mill,vibratory mill and ball mill to make efficient, clean, economical dispersion and grinding of ... dyeing.4. Ceramics: electronic ceramics, refractory ceramics, structural ceramics.Specifications:Ball shape:φ0.1-0.4,φ0.4-0.6,φ0.6 ... ,φ2,φ3,φ4,φ5,φ7,φ10,φ12,φ15,φ20,φ55mmColumn shape:3×3,5×5,7×7,10×10,12×12mm ...