What should I do if the application for renaming Zhanjiang East Island is not approved?

Apply for administrative reconsideration. If the application for renaming Zhanjiang East Island is not approved, you can apply for administrative reconsideration to the higher authorities or the government, because this department is specialized in managing such affairs. Zhanjiang is a prefecture-level city in Guangdong Province, formerly known as "Guangzhou Bay" or "Port City", located at the southern tip of Chinese mainland and in the southwest of Guangdong Province.