zhongguo tuchang is a Sino-Foreign joint venture corporation located in import & export tax-free area of Lianyungang. Alza has involved in the ceramic industry for many years and focused on ceramic grinding media, calcined alumina, corundum and advanced ceramics. During its expansion, Alza developed symbiosis with Nanjing university of industry, Zhongnan University and Shanghai Institute of ceramics Chinese academy of sciences. Relying on advanced foreign technologies and management methods, our company has developed alumina-ceramic wear ceramic balls, beads, ceramic lining bricks and other related alumina-ceramic ***** is widely used in ceramics, building materials, metallurgy, chemicals, cement and other industries fields.