China Changsha Zhonglong Chemical(Group)Co.,Ltd. is located in Hunan, China. We are the biggest manufacturer and exporter in China for ceramic grinding ball-(yttria stab.zirconia bead,ceria stab.zirconia bead,zirconium silicte bead,alumina ball) and zirconia powder( zirconia oxide and yttria stab.zirconia powder). Meanwhile our company produces high performance structural ceramic products. Owing to the advantages of high hardness, high-temperature resistance, wear resistance, anticorrosion, ...   |