Whether there is patent for surface technology? Colored glaze? None
Color: tz-258a (small cup), tz-258b (large cup), tz-258c45 (bowl), tz-258d447 (bowl), tz-258e660 (bowl), tz-258f778 (soup bowl), tz-258g333 (flavor dish), tz-258h60 (disk), tz-258i78 (disk), tz-258j100 (disk), tz-258k85 (soup plate), tz-258l90 (egg plate), tz-258m100 (egg plate), tz-258n1122 (egg plate), tz-258n1122 (egg plate)product quality grade