According to Baidu map query, Zhejiang Precious Metals and Jewelry Quality Inspection Center is located on the 4th-5th floor of Langguan Building, No.2 Ma Yuan Road, Haishu District, Ningbo City, Zhejiang Province, and can be reached by bus No.9 and 10.
Gold and Jewelry Testing Center is located at No.2 Ma Yuan Road, Haishu District, Ningbo City, Zhejiang Province. You can take bus no.38 or 5 10 to get there.