About Product:The purpose of welding hook is to firmly connect two things that were originally separated. It is mostly used in manufacturing industry. The main purpose of welding is to connect small metal materials into large ones (according to drawings or required sizes), or to make the required geometry through connection (welding). For example, shipyards, aircraft manufacturing, automobile manufacturing, bridges, etc. cannot be separated from welding. The steel frame commonly used in life, such as Gai Lou, is completed by welding. The same is true for protective grating of the ordinary families and security doors.