How Does LOPO China Produce Terracotta Panel? 1. Select raw material, choose the best quality clay. After the clay is sifted and coarse broken,stale the clay for six months. During this time, turn the clay over again and again to dry it to appropriate moisture and particles; 2. Transport the raw material to indoor warehouses, and keep the materials staling again to ensure further staling and homogenization of the naturally dried raw materials; 3.…