As long as you apply for a patent in China, you can apply for a patent anywhere, including your place of domicile and residence.
Applying for qualifications is generally done at the local intellectual property office. It should be noted that some places require that the agency you apply for must be local.
Invention patents are now generally based on qualifications. However, funding is provided by various local intellectual property offices, so you should ask the local intellectual property office and the agency where you applied for a patent;
When applying for a patent, it is recommended that you find an agency with patent agency qualifications because it is professional It is highly sensitive, so don’t apply by yourself, don’t look for cheap money, and don’t look for shady agencies.