What are the listed companies of nano robots

Hega is a publicly traded company that produces nanorobots.

Hejia is a stock market-listed company whose main business is the production of medical equipment, including nanorobots. Hejia was founded on April 1, 1996 as Zhuhai Hejia Medical Equipment Co. As a company specializing in the field of medical equipment, Hejia is committed to the development and production of high-quality nanorobots to meet the needs of the medical industry.