Trade volume between southwest Chinas Yunnan Province and the five countries along the Mekong River grew by 13.4 percent year on year to reach 81 billion yuan (US$12 billion) in 2017, customs in the provincial capital Kunming said on Jan. 18.
Trade between Yunnan and Myanmar is about 42 billion yuan (US$6 billion), 52 percent of the total, it said.
Kunming Customs said it had carried out cooperation with customs authorities in these countries in exchanging information, fighting cross-border crime and customs clearing.