Fujian Qisheng Environmental Protection Building Materials Technology Co., Ltd. With the decreasing land resources that can be developed and the increasing awareness of energy saving and consumption reduction, the use of solid clay bricks has gradually been banned all over the country, and non-clay new lightweight wall materials have become more ideal. alternative products. In order to meet the needs of the construction market, Fujian Qisheng Environmental Protection Building Materials Technology Co., Ltd. has developed and produced a series of Yanan brand products: Yanan brand new high-precision cement aerated blocks (concave-convex type), Yanan brand Yijiao clay, etc.