Protect Our Patriarch - Chapter 47: Turning the Tables! Ancestor Longyan

... ked curiously.

"Lihui is a type of building material processed from oyster shells, seashells, and the like through kiln firing," Chen Fanghua explained. "By mixing lihui with river sand in the right proportion, it can effectively bind bricks, tiles, and stone blocks, making the stone blocks as solid as a whole. It is often used in the walls of noble families or government offices. Since the output is not high, the price is not cheap either. Young Master Wang, it is normal for you, coming ...