On May 12, 2020, Ma Jing, director of Zibo local financial supervision bureau, visited Shandong Rhein-Koester Intelligent Technology Co., Ltd. to investigate and guide the company as a reserve project of science and technology innovation board listing. Li Lihua, deputy investigator of Zibo local financial supervision bureau, and Zheng Guosheng, director of Zibo High tech Zone Financial Office accompanied the investigation. Cui Zhi, chairman of Rhein-Koester, and Yan Yongjia, deputy general manager received and reported the work.

Cui Zhi introduced the company's development process, operation status, innovation achievements, key project construction, resumption of production and other situations in detail, and reported the progress of docking with the capital market and other related work.

Director Ma Jing fully affirmed the R & D capability, resource advantages and the strength of the company. She said that the company is in line with the scientific and technological attributes and market positioning of the listed companies on the scientific and technological innovation board. In the next step, she will give the company relevant financial service support as a key enterprise, and orderly promote the share reform and listing of the company. She hoped that the company can continue to give full play to its own advantages, seize development opportunities, and continue to grow and strengthen with the help of the capital market.