Innovative research and Development


Minghui Electric has continuously increased investment in technology research and development, obtained many related knowledge patents, passed several international authoritative certifications, and cooperated with many scientific research institutions at home and abroad. At present, the company's independent research and development of MHZB2 series miniature circuit breakers, MHZM3D-250 two-pole high voltage DC molded case circuit breakers, ML5 series electromagnetic residual current operated circuit breakers and other products, the technical performance indicators have reached the industry and international leading level.

R&D investment:

  •    More than 200 professional R&D personnel

  •    Using pre-study simulation software

  •    R&D investment exceeds 5% of turnover

  •    Industry and scientific research cooperation