Is Jiangmen Rural Commercial the same as Guangdong Rural Commercial?

It's different.

Guangdong Rural Commercial Bank is different from Guangdong Rural Credit Cooperative. Rural commercial banks are a part of China's banking system and a joint-stock local financial institution. Rural credit cooperatives refer to rural cooperative financial institutions approved by the People's Bank of China.

Banks are legally established financial institutions engaged in monetary and credit business, and are the product of the development of commodity monetary economy to a certain stage. Banks are one of the financial institutions. Banks are divided into central banks, policy banks, commercial banks, investment banks and the World Bank, with different responsibilities.