In the manufacturing industry, laser welding has become an important processing method, with handheld laser welding being particularly favored by welders due to its flexibility and portability. Various types of TEYU welding chillers are available for widespread use in metallurgy and industrial welding, including for laser welding, traditional resistance welding, MIG welding and TIG welding, improving welding quality and welding efficiency, and extending the lifespan of welding machines.