... efficient clean, economic, environmental protection grinding materials to electronic pastes, non-metallic ore, paint pigments, printing ink,farm chemical, foods, medicine ... , Φ2, Φ2.5, Φ3, Φ5, Φ6.5, Φ7, Φ8, Φ10, Φ12, Φ15, Φ20, …Φ55 MM (Specific size in accordance with ... Zirocnium CompanyChaozhou Fengye Zirconium New Materials Co, Ltd is a high and new tech enterprise specialized in researching. It ...