Clay can be found almost anywhere. Good pottery clay must be free from all small stones and other hard materials that would make the potting process difficult.
at first they were made of pottery clay.
Suqian is ample in mineral resources. Its reserve of quartz sand, pottery clay, blue spar and yellow sand ranks among the top of the provincial-level cities in China.
The drum cavity is made of pottery clay, inherited from the earth drum.
The Fengxiang folk art is colorful, among which the colored drawing on pottery clay sculpture bears the richest style.
