Does the correction have anything to do with Heinda?

yes. According to Aiqi, Tonghua Haienda High-tech Co., Ltd. is a holding subsidiary of Revision Group engaged in the production and sales of medical devices. The company was established in June 21 with a registered capital of 1 million yuan. By December 13, 223, it has developed into a professional manufacturer of digital medical diagnosis and testing equipment, optical, mechanical and electrical integrated treatment equipment, modern Chinese medicine characteristic diagnosis and treatment and pain rehabilitation equipment, biochemical reagents and diagnostic instruments. Genetic engineering equipment; Specialized in establishing a joint-stock enterprise integrating the national O2O medical device 5S service chain.