Are Shanghai Zhiyu and Jiangsu Zhiyu one and the same?

No. Shanghai Zhiyu and Jiangsu Zhiyu are not one and the same:

1, Shanghai Zhiyu Medical Equipment Co, Ltd, founded in 2014, is located in Shanghai, China.

2. Jiangsu Zhiyu Medical Technology Co Ltd (once known as: Nanjing Junwen Medical Equipment Co Ltd), founded in 2020, is located in Nanjing, Jiangsu Province, is a company mainly engaged in the manufacturing of specialized equipment.