... rigidity, high toughness, high wear resistance, self-lub Carbide ball Cemented carbide possesses high hardness, high rigidity, high strength, high ... , anti-corrosion materials and other aspects. The cemented carbide bearing ball is mainly used as valve in petrochemical ... , rigor, innovation, mutual benefitLuoyang Bearing Science & Technology Co., Ltd. is a high-tech enterprise, which focuses on the ...