Mid‑Frequency Direct Current (MFDC) Welding Controllers use inverter technology to convert mains frequency into a higher frequency output (typically ~400 Hz to 4000 Hz) and provide DC welding current. Compared to traditional power frequency controllers, MFDC controllers deliver faster response, higher welding efficiency, and more stable output, significantly improving weld quality while reducing transformer size and energy consumption. MFDC controllers are widely used in automated welding, robotic welding, and high‑quality welding applications.
Since its establishment 30 years ago, Yongkang Jiaxiao Welding Automation Equipment Co., Ltd. has specialized in the research, development, manufacturing, sales, and service of resistance welding machines, specialized welding machines, automatic welding machines, and automated stamping equipment for materials such as copper, aluminum, iron, and stainless steel. The company boasts a dedicated R&D team led by experts and comprised of diverse engineers. Its products have passed both the Chinese 3C and European CE certifications, and the company holds dozens of national patents. The company is a leading domestic manufacturer of resistance and automatic welding machines.