Laojun brick refers to the brick that stands at the top of the fire path to see the degree of heat when burning bricks in brick kiln. Generally, it can be seen in earthen kilns or places where bricks are burned.

Features of Laojun Brick:

1. Health and environmental protection. Strong air permeability, good water absorption, maintaining air humidity, wear resistance, and not rot for ten thousand years. Laojun brick is refined from natural clay, and the product after firing is bluish black, which has the characteristics of high density, good frost resistance, no deformation and no discoloration. Black, white, gray and blue bricks are made of oxygen-free natural raw soil, with water as the spirit and fire as the rigidity, and the five elements are integrated to make them warm in winter and cool in summer at home.

2. Be creative. Strong plasticity, generous space, inheriting the essence and surpassing tradition. Laojun brick gives people an elegant, calm, simple and quiet aesthetic feeling. In 2009, we innovated black, white and gray blue bricks, and launched a series of century-old blue bricks such as bas-relief, high-relief and modern machine-made bricks. China's traditional allusions are the main artistic forms, with exquisite patterns, profound meanings and novel design techniques, which have absorbed the essence of China culture.

3. Self-cultivation, good collection, happiness, five elements, moisturizing things quietly, self-cultivation. Laojun brick art can not only decorate, but also inherit history. At the same time, it is also a work of art for offering. The doctrine of the mean and the harmonious tradition are integrated into one, nourishing the heart with bricks. Blue-gray is also the rarest quality in brick making.