* Drum Tower Jewelry City: located at No.50 Court Lane, Haishu District, Ningbo City, Zhejiang Province.
* Jewelry Antique City: located at No.67 Hutong Street, Haishu District, Ningbo City, Zhejiang Province.
Maritime Jewelry City: Located at Lane 488, Luoxing West Road, zhenhai district, Ningbo, Zhejiang.
These are some jewelry cities I know. I suggest you choose according to your own needs and actual situation.