Holding subsidiaries. Nanjing Tuodao Medical Technology Co., Ltd. is a surgical robot manufacturer. Yijiahe Company announced that Tuodao Medical is a holding subsidiary of Yijiahe Company. Mainly engaged in the research and development, production, sales and related services of medical robot-related products. The current registered capital is 100 million yuan. The company, Zhu Fuyun, Li Zexiang, and Cheng Min currently hold 51%, 43%, 5%, and 1% of it respectively. Equity.