1. You can go to the National Jewelry and Jade Quality Supervision and Inspection Center to identify jadeite and Hetian jade. The National Jewelry and Jade Quality Supervision and Inspection Center is a national professional quality inspection institution authorized by the relevant competent departments of the state according to law, and it is the authoritative institution for jewelry and jade testing in China.

2. Opposite the Yancheng Museum in Wujin, Changzhou, the Institute of Ancient Jade Culture can identify jadeite and Hetian jade, and there are professional appraisers.

3, Emerald Lulai can often help people identify jadeite, you can rest assured to go there for identification.

4. Wuxi Shengli Gate, located on the second floor, 100 meters away. Address: Wuxi North Street 1 1-4. Private testing may cost about 100 yuan. If you buy it cheaply, it's better to have an accident, or check it with a jade shop. Certificate 15 yuan.

5. No.34 Yuanmingyuan Road, Shanghai; Jewelry and Jade Appraisal Center of Shanghai Central Laboratory of Ministry of Geology and Mineral Resources: No.418 Zhenda Road; Bao Zhong Gem Appraisal Center: Donghua Famous Diamond Jade Hall, No.61Lishui Road, Zhenbao Yinlou, No.789 Sichuan North Road; Jewelry and Jade Yuyuan Inspection Station: Floor 2, Huabao Building, No.59 Wenchang Road.