ceramic is made from well-chosen mineral material,smaller grain achieve delicate and exquisite ceramic texture.1268 degree high temperature calcining process reach vitreous china standard. low absorb rate(less than 0.5%).safe,durable,clean and de-odour.micro-crystal glazed full wrapping ceramic surface,smooth and reflecting,easy for cleaning. flushing process low noise(lower than 55db),short flushing process(3-5 seconds), ceramic glaze drainage pipe,better flushing effect,double flushing press botton,water saving.we guarantee our quality flushing system for 100,000－140,000 times use.