Meng Ping Customs, located in Baise, Guangxi, is one of the largest land ports in Guangxi. Bordering with Vietnam's Gaoping Province, it has convenient land transportation conditions and is one of the important channels for Sino-Vietnamese trade. Meng Ping Customs has played an important role in promoting Sino-Vietnamese trade and local economic development.

Long Bang Customs, located in Chongzuo, Guangxi, is one of the largest land ports in Guangxi, and also one of the important passages for China to reach Vietnam, Laos and other Southeast Asian countries. Long Bang Customs has also played an important role in promoting trade between China, Vietnam and Laos and promoting local economic development.