Dongyang district, development zone. Baidu map shows that Dongyang Community in Yanji Development Zone sells rich golden horses. Yanji City is a county-level city under the jurisdiction of Yanbian Korean Autonomous Prefecture in Jilin Province, and it is also the capital of the autonomous prefecture. It is located in the east of Jilin Province, the middle of Yanbian Prefecture, the northern foot of Changbai Mountain and the hinterland of Northeast Asian economic circle, and it is a fulcrum on the Chinese side of the "Golden Triangle" in Tumen River area drawn up by the United Nations.