Marble, granite and artificial stone all have different degrees of radiation. If environmental protection is considered, we should choose antique blue bricks for construction. The skill and craft of blue bricks are the treasures of the Chinese nation. As the saying goes, "The year of red brick is Qian Qian, and the blue brick is a thousand years old", which shows that the blue brick and tile have good durability and stability, natural color, beautiful and simple.

The notable features of blue bricks are: warm in winter and cool in summer; First, it has strong air permeability and good water absorption, maintains humidity and does not rot for ten thousand years. Second, it has strong plasticity and perfect space, inheriting and surpassing the essence of tradition. The third is to repair ancient buildings, collect good products, combine the five elements, and cultivate self-cultivation.

Blue bricks are refined from natural clay, and the products after firing are blue-black, which has the characteristics of strong compactness, good frost resistance, no deformation and no discoloration. Black, white and gray blue bricks are made of natural raw soil and fired without oxygen. Water is the spirit, fire is the strength, and the five elements are born together. They are warm in winter and cool in summer at home, which is healthy and environmentally friendly. Blue brick contains trace sulfur, which can sterilize, balance harmful chemical gases such as formaldehyde in decoration and keep indoor air humidity. It has the characteristics of "breathability, water absorption, oxidation resistance and air purification" and has become one of the products strongly recommended by designers in recent years. The product has smooth surface, sharp edges and corners, perfect structure, compression resistance and wear resistance, and is an ideal material for house wall and floor decoration.