Core Viewpoint - The company, Sanbo Neuroscience, has confirmed that it has conducted one interventional brain-machine interface surgery at its Fujian facility, utilizing polyethylene glycol products, but specific product details are confidential due to collaboration agreements [1] Group 1 - The company has only performed one brain-machine interface surgery to date [1] - The surgery involved the use of polyethylene glycol, which meets national standards [1] - The specific product information used in the surgery is considered confidential among the collaborating parties [1]