For those who love discovering and experiencing, in addition to conquering A Pa Chai Border Intersection Border Marker - the westernmost of the country, A Pa Chai Market is an ideal destination. The "border gate" or "border intersection" market is the name often called by people in Sin Thau Commune in particular and people in Muong Nhe District in general. The market is opened on the 3^rd, 13^th, and 23^rd day every Solar calendar month in A Pa Chai (Sin Thau Commune, Muong Nhe District, Dien Bien Province) - Longfu (Jiangcheng District, Yunnan Province, China) Checkpoint for Vietnamese and Chinese Yunnan to exchange and trade goods.

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