I think you started out small, so your customers are scattered. Large companies with regular activities will have long-term partners, and the main way for retail investors to search is online. Make a website to promote it and improve the click rate. If several well-known website search engines in China can search for you quickly, there will be no success.
1. What is MCC?
MCC, the full name of merchant category code, is the Chinese name of "merchant category code", which is a four-digit code provided by international cre