Zirconia block is made from the finest and most pure zirconia ceramics powder with cold isostatic pressed(cip). (1) zr- block is a partially sintered 3mol% yttria (y2o3) stabilized zirconia (zro2) block, which is made from japan tosoh zirconia powder by cold isostatic pressing and machining. It is more homogeneous than uniaxial pressed.After fully densified, zr-block has a high strength, excellent biocompatibility and aesthetics. (2) zr-block can be machined to dental restorations by all kinds of milling systems! (3) currently we mainly offer two material as : Ht zr -- normal translucent zirconia, applied for crown and bridges St zr -- super translucent zirconia, applied for crown and bridges especially for full contour crown and bridges (4) all above products are ce, fda, sfda and iso13485 cerified.