Alumina porcelain balls thru the medical formulation, the scientific sorting system guarantees the optimal roundness, the floor of the field is easy, , low wear inside the grinding situations, is a first rate grinding medium, high hardness, corrosion resistance, effect resistance, economic and

Alumina porcelain balls through the scientific formula, the scientific sorting process ensures the optimal roundness, the surface of the sphere is smooth, , low wear in the grinding conditions, is a high-quality grinding medium, high hardness, corrosion resistance, impact resistance, economic and