Chengdu Leixin Building Materials Co., Ltd. is mainly engaged in the production and sales of sintered shale bricks. The company invested more than 80 million yuan to build two modern production lines for the production of self-insulating sintered bricks (bricklaying). It adopts fully automatic production technology and a central control system to realize automatic cutting, robot coding and intelligent roasting systems. The annual production capacity reaches 240 million pieces (standard blocks) of modern production lines for sintered self-insulating shale products.