KUNMING, April 17 (Xinhuanet) -- Simao Port, on the lower reaches of the Lancang River in Yunnan province, has been playing a vital role in forging ties between southwest China and nations along the Lancang-Mekong River since it was designated as a top-grade open port by the state council in 1993.
Built in 1990, Simao is China's first international port along the Lancang River
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