On the morning of November 9, 2021, Cao Huiquan, Secretary of CPC Zhuzhou Municipal Committee, accompanied by Wu Lingyun, Deputy Secretary of CPC Zhuzhou High-tech Zone Committee and Secretary of CPC Tianyuan District Committee, visited the company to conduct research and guide the work. During this period, the research team visited the production workshop and learned about the company's core products, technological development and operation. Mr. Ding Jinsong, chairman of the board, made a report on the development of "specialization, refinement, specialty and novelty" of the company. Cao Huiquan secretary pointed out that the enterprise is the main body to promote the development of economy, Zhuzhou is  high quality manufacturing city, He hope kori converter based on high-power semiconductor converter industry segments, continue to do fine and stronger, with high quality products and services, and occupy the market of new heights, for the hunan "three highs", "four new" contributions to the construction.