I want to search Baidu for the contact information of medical device manufacturers, but all I find are the contact information of distributors. How can I search for the contact information of the manu

I want to search Baidu for the contact information of medical device manufacturers, but all I find are the contact information of distributors. How can I search for the contact information of the manufacturer? I am a manufacturer of medical devices. Generally, most domestic manufacturers are OEM, or the same type is sold as a new product with a new trademark, and few manufacturers are willing to tell consumers their contact information. Do you want to find a medical device manufacturer to buy products, complain or join, or I can help you think about it.