Laser welding plays a crucial role in the manufacturing of medical devices. Its applications in the medical field include active implantable medical devices, cardiac stents, plastic components of medical devices, and balloon catheters. To ensure the stability and quality of laser welding, an industrial chiller is needed. TEYU S&A handheld laser welding chillers provide stable temperature control, enhancing welding quality and efficiency and extending the welder's lifespan.