Where is the diamond ring identification center in Wudu District, Longnan City, Gansu Province?

Dongjiang new area. Gansu Zheng Long Judicial Appraisal Institute is located in the Judicial Bureau of Longnan City and Dongjiang New District, Wudu District, Longnan City. It is the only diamond ring appraisal center established in 20 1 1 in Wudu District, Longnan City, Gansu Province. It mainly identifies gems, pearls, diamonds, Hetian jade products, Hetian jade rough stones and jadeite products.