（It is one kind of fine processed Clay. After washing , stirring , sieving , deironing , homogenizing , mixing and pressure filtering , it could be used for tiles body , especially for vitrified tiles because of its high whiteness , good plasticity and super strength . We can benefited from the development of refined ball clay which offered us improved performance and reduced the manufacturing process cost.）
（Bentonite: It could be widely used in the tile body and glaze slip. For the tile body , bentonite can increase the body strength , improve the plasticity and reduce crack ; For the glaze , bentonite can improve galze slip stability and reduce crack.）
Kaolin : Kaolin could be used for tableware , ceramic tiles and sanitary ware for its super whiteness , high-purity chemical composition , good flow ability and plasticity.