Whether you are doing domestic or foreign affairs, the role of the certificate is self-evident. The so-called foreign-related matters do not require certificates, that is for enterprises, because there are many cases, and the agents cannot meet the clients, it does not matter whether you have a certificate or not. But for individuals to engage in this industry, they should have professional qualifications, especially if they want to develop in the long term.
The difference between Beijing, Shanghai and Guangzhou is not very big. The bosses are very profitable, while the income of agents is average. Agents in foreign-related firms can earn tens of thousands a month, but their workload is heavy.
Generally, the annual income of a patent agent is around 100,000. The income gap between foreign agents and domestic agents is not big. If they are competent, they can both earn a monthly salary of tens of thousands. If you can't do it, two or three thousand a month is not bad.