The raw materials are various potsherd of Household Porcelain. It is Produced through cleaning, dedusting, crashing and sieving by special processing after manual selecting.

• 其原料为日用陶瓷厂回收的白色餐具碎片,经人工挑选及特殊工艺进行清洗除尘,粉碎和筛分而成。