The back-bolted stone curtain wall is drilled with professional equipment on the back of the stone, and the stone back bolt is embedded in the hole. The stone pendant is fixed on the back of the stone through the stone back bolt, and the stone is fixed on the keel of the curtain wall through the pendant.

　　The main technical features are as follows

　　1. The back bolt and the stone are mechanically fixed, and the connection is safer and more reliable.

　　2. Using special equipment and tools to process the back bolt hole with the front surface (decorative surface) of the board as the positioning reference, the processing accuracy is high, the positioning is accurate, and the installation accuracy and quality are guaranteed

　　3. The stone pendants and the curtain wall keel are fixed by bolts, and the connection can be adjusted in three directions. The installation and adjustment are convenient, and the accuracy and quality are easy to ensure

　　4. The practical inspection and shaking table test prove that the system has strong in-plane deformation and seismic resistance

　　5. Easy installation and operation, and easy to maintain and replace