Bordering Chinese provincial-level divisions are Tibet, Sichuan, Guizhou and Guangxi. Starting from the east and working clockwise, bordering countries are Vietnam (Hà Giang, Lào Cai, Lai Châu and Điện Biên provinces), Laos (Phongsaly, Oudomxayand Luang Namtha provinces), Myanmar (states of Shan and Kachin). The main border crossings are:

• Hekou–Lào Cai, by road and rail, is the only Sino-Vietnamese land border crossing open to non-Chinese/non-Vietnamese.
• Sino-Laotian at Boten
• Ruili–Muse is the only Sino-Burmese border crossing open to non-Chinese/non-Burmese.

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