Gem park along the Nangu River locates on the Sino-Burmese border area. Nangu River is one of the tributaries of Nanwan River, and a gem and jade zone, which is a part of the Sino-Burmese gem and jade belt, lies on its upper stream.

A beautiful ore belt that produces ruby and emerald lies along the Nangu River right between Ruili and Burma. For hundreds of years, dozens of large or small gem-washings fields have opened in this area. However, gems are found sporadically in this area, ...