Wansui Street, Shahekou District, Dalian City, Liaoning Province. According to Baidu map, Dalian Gold, Silver and Jewelry Supervision and Inspection Center is located in Wansui Street, Shahekou District, Dalian City, Liaoning Province. Main business scope: various entrusted inspections of jewelry, jade and precious metals; Supervision and spot check; Quality evaluation; Arbitration inspection. You can identify agate. Dalian, also known as Bincheng and Romantic City, is a prefecture-level city, a sub-provincial city, a city with separate plans and a megacity under the jurisdiction of Liaoning Province, and its urban boundary is located at the southernmost tip of Northeast China.