Yunnan-Southeast Asia Trade Grows Increasingly Close, with 365.6 Billion Yuan in Import-Export Value Over Six Years.Over the past six years, trade between Yunnan and Southeast Asia has reached 365.6 billion yuan, with an average annual growth rate of over 11%. At the Hekou Port, watermelons from Vietnam can now reach Kunming in just 17 hours, while Yunnan vegetables are delivered to markets in Hanoi on the same day. This highly efficient and innovative trade corridor is ensuring that fresh agricultural products from both regions make their way to consumers' tables faster and in better condition.