Do you have a second diamond ring with a drop of 4?

Siping has no second diamond ring. Upon inquiry, Siping has no monopoly on the second diamond ring. Siping's famous diamond ring monopoly includes:

1. Xinsheng Jewelry Store: No.86-3 Yongning West Road, Siping City.

2. Li Jinde Jewelry Processing Line: Yitong Manchu Autonomous County, Siping City, Jilin Province.

3. Jinguiren Jewelry Store, Yi Xi Road, Siping City.

4. Mingxing Jewelry Gold Store: No.869, Zhongxing Road, Siping City.