Steel mesh, also known as steel grid, is welded by flat steel and twisted steel. The grid is mainly used in rest platforms, walkways, ditch covers and plates. Galvanizing of climbing net is a surface treatment technology, which can be divided into cold galvanizing and hot galvanizing. Hot galvanizing technology is commonly used. With the rapid development of cold rolled strip steel in the past three decades, the hot galvanizing industry has been greatly improved and widely used in surface treatment of metal products. Dalian light steel mesh is a kind of metal mesh in the industry. It is also known as metal plate mesh, diamond mesh, iron plate mesh, metal expansion mesh, heavy steel plate mesh, pedal mesh, perforated aluminum plate mesh, stainless steel plate mesh, granary mesh, antenna mesh, filter element mesh, audio mesh, etc.