Alumina porcelain balls thru the clinical formula, the clinical sorting device ensures the most beneficial roundness, the ground of the sector is easy, , low located on within the grinding situations, is a super grinding medium, immoderate hardness, corrosion resistance, impact resistance, monetary

Alumina porcelain balls via the medical formulation, the medical sorting tool ensures the maximum useful roundness, the floor of the sector is simple, , low placed on inside the grinding situations, is a notable grinding medium, excessive hardness, corrosion resistance, effect resistance, monetary

Alumina porcelain balls thru the medical formula, the medical sorting device guarantees the most useful roundness, the ground of the sector is easy, , low put on within the grinding situations, is a brilliant grinding medium, high hardness, corrosion resistance, effect resistance, economic and