* Zhengzhou Jewelry and Jade Quality Supervision and Inspection Station is located at No.3, Unit 3, Building 3, Sunshine Maple Garden 14, 30 meters east of the intersection of Huayuan Road and Hanghai Road, Jinshui District, Zhengzhou City.
* The Gemstone Professional Station of Zhengzhou Bureau of Quality and Technical Supervision is located on the 3rd floor of Li Meng Building, 200m south of the intersection of Huayuan Road and Shangcheng Road in Zhengdong New District, Zhengzhou City.
* Zhengzhou Municipal Market Supervision Administration Jewelry and Jade Supervision and Management Station, located at the 5th floor of North Cross Star Shopping Plaza, west 100 meters from the intersection of Huayuan Road and Shangcheng Road, Jinshui District, Zhengzhou City.
* Zhengzhou Emerald Trading, the address is south of the intersection of Huayuan Road and Huayuan Road Second Street, Jinshui District, Zhengzhou City 100 meters, next to the Postal Savings Bank.
Please note that the above information is for reference only, and the specific address may change. It is recommended that you confirm the latest address and opening hours before continuing.