哈德沃角码

Pin injection angle code refers to the concept of pin injection, which is actually two different concepts. Pin is a component, while injection is a process flow.

Glue injection is a specialized adhesive used to fill between corner codes and profiles, known professionally as corner glue. It is similar to the traditional mortise and tenon connection structure in China. Before connection, high-temperature and waterproof glue is usually applied to the contact surface between the mortise and tenon joints, which can make the connection more firm and less likely to loosen even under impact,

By filling it to make it more sealed, and the glue injection for doors and windows is functionally the same as the traditional Chinese mortise and tenon structure wood glue, it is also to improve the firmness and sealing of windows, only the glue injection processing technology for windows and doors is more technical and professional.