What is the daily porcelain brick? What is the Tao?

Our common variety of tiles, unglazed mosaic tiles, most of the sanitary ware is porcelain, bibulous rate is E& le; 0.5%; antique brick, wall climbing, wear-resisting tiles, matt tiles is stoneware tiles, bibulous rate is 3%& lt; E& le; 6;, clay pipes, decorative tile, glazed products in general are is pottery, bibulous rate is E& gt; 10%.