Where is Xi 'an Jewelry Appraisal Center? I want to identify jadeite.

1, Gold, Jewelry and Precious Metals Inspection Center of Xi Institute of Land and Resources. Address: 50 meters east of Nanshaomen intersection (opposite to Xi 'an Red Cross Hospital).

2. Tel: 029-81771029029-81771000 (fax) Xi 'an Product Quality Supervision and Inspection Center-Jewelry and Precious Metals Inspection Center is a third-party product quality supervision and inspection institution established and authorized by Xi's people's government according to law, which belongs to Xi's quality technology.

3. The 9th floor of Galilee Expressway is north of Wen Yi Road. You can see that this is a national secondary. There is no problem in the detection of Xi 'an Geology Mine outside Heping Gate, but this is the first private detection fee at the provincial level. The second one in 30 yuan seems to be 100. I can't figure it out. National inspection 30 provincial inspection 100. .

4. Inspection Center for Jewelry, Jade and Precious Metals of Shaanxi Product Quality Supervision and Inspection Institute. Address: No.39, South Street, beilin district (Dongmutou) Tel: 029-8727 1860 Xi Gold, Jewelry and Precious Metals Inspection Center of Land and Resources College. Address: 50 meters south to east of Nanshaomen Cross Road.