Since the fourth aircraft carrier will continue to be named after the province, it is likely that it will still be dominated by coastal provinces. First of all, the two municipalities directly under the central government of Tianjin and Shanghai are excluded, and Guangxi and Hebei may also be further behind because of their location and coastline. Removing Liaoning, Shandong, and Fujian, which already have aircraft carrier names, only Jiangsu, Zhejiang, Guangdong, Hainan, and Taiwan provinces remain. Among the five shortlists, Guangdong and Taiwan have the greatest chances. 
Among China's three major fleets, the Northern Fleet has two aircraft carriers named after Liaoning and Shandong, and Fujian Province is close to the East China Sea, so the Fujian ship can be regarded as a provincial aircraft carrier under the "flag" of the East China Sea Fleet. In this way, only the South China Sea Fleet does not have aircraft carriers on the verge of identity designation, and Hainan and Guangdong have taken a step forward. In particular, Guangdong, with its status in the rivers and lakes at the economic level and its long coastline, has a great chance of becoming the fourth aircraft carrier named province. 
As for the Taiwan Strait, there is basically no need to explain. When the 003 aircraft carrier was named, the call for Taiwan was very loud, and it was finally called the Fujian ship at a discount. If there is a great deal of determination to resolve the Taiwan Strait issue in the near future, it will also be reflected in whether the fourth aircraft carrier will use the name Taiwan. To put it simply, if you think about it in the long run, the probability of the 004 aircraft carrier using the Guangdong is high; If you want to solve the southeast problem, the 004 aircraft carrier has a good chance of being called Taiwan. 
Of course, don't worry about other provinces. Considering the safety of China's first and energy maritime transportation channels, the main line is the South China Sea, the Strait of Malacca, the Indian Ocean, and the Arabian Sea. One of them is the energy transportation corridor in the Persian Gulf, and the other is the logistics transportation corridor in the Gulf of Aden** to Europe. After calculation, in addition to the need for three ships in the offshore waters, two ships in the Indian Ocean and the Arabian Sea in the far sea, plus two or three ships for maintenance at home, China will most likely build about 8 aircraft carriers in the future, and the coastal provinces will basically arrange it, and the time is only sooner or later.