Bo changes polishing brick to be tried to fibre glass passes fire 3 times and be become by Tao Zhizhuan, bricky face and bricky body are become monochromatic, bricky body solidder, wear-resisting.

• 玻化抛光砖由陶质砖加以玻璃纤维经过三次烧制而成，砖面与砖体成一色，砖体更坚实、耐磨。