There are two channels for applying for a patent. 1. You can go to the Patent Office for consultation and prepare relevant materials. . 2. You can apply to relevant agencies. . I am from Jiaojiang, Taizhou Shisheng Intellectual Property Agency. If you are interested, you can directly see my profile for contact information. . If you are looking for an agent to apply for the required materials: technical disclosure, CAD drawings, (company) business license, organizational structure code certificate. . . You are also welcome to come for consultation, which is free of charge.