How many days can an individual travel endorsement stay in Guangzhou and Macao?

Legal analysis: if you apply to go to Macao, you can issue an endorsement once every three months, and once every/kloc-0, and stay in Macao for no more than 7 days at a time.

Legal basis: Article 9 of the Law of People's Republic of China (PRC) on Exit and Entry Administration. China citizens shall apply for passports or other travel documents when leaving or entering the country. China citizens who want to go to other countries or regions also need to obtain visas or other entry permits. However, unless the China government has signed visa exemption agreements with other governments or the Ministry of Public Security and the Ministry of Foreign Affairs provide otherwise. China citizens who leave or enter the country as seafarers and work on foreign ships shall apply for a seaman's certificate according to law.