Shanghai Renmin Electric Factory: A Century of Craftsmanship, Building Brands with Quality, Embarking on a New Journey with Digital TransformationOn September 12th this year, the first 20Hz low-frequency, high-voltage universal circuit breaker certification ceremony was held at the Beijing headquarters of China Quality Certification Center. The appraisal committee concluded that the product's 20Hz low-frequency technology reached an international leading level and filled a gap in the field...