competitive price Energy-saving high quality good service Energy-saving shower caddy ceramic discWe offer various of ceramic discs, used in many kinds of faucets. Material: 95%~96% alumina. Size: According to customers' request Price: According to different sizes, materials The frictional times is 300, 000 to 500, 000, the density is3.6~3.7g/cubic centimeter, the rigidity is 84~86 HRA, the ...