National Gems & Jewelry Technology Administrative Center (MLR)

National Gemstone Testing Center
Tel:008610-84273700,84274008
Fax:008610-84274845
E-mail：gems@163bj.com
Add：Building19,Xiaohuangzhuang Road, Andingmenwai Street,Beijing,100013 P.R. China

National Gemstone Training Center
Tel:008610-84273876,84275411,84274842
Fax:008610-84274845
E-mail：ngtc.edu@263.net
Add：Room423, Building19,Xiaohuangzhuang Road, Andingmenwai Street,Beijing,100013 P.R. China

National Gems & Jewelry Information Center
Tel:
Fax:
E-mail：
Add：Building19,Xiaohuangzhuang Road, Andingmenwai Street,Beijing,100013 P.R. China

Gems & Jewelry Institute
Tel:008610-84273775
Fax:
E-mail：ngtcyj@263.net
Add：Building19,Xiaohuangzhuang Road, Andingmenwai Street,Beijing,100013 P.R. China

Gems & Jewelry and Art Appraisal Committee of China Appraisal Society
Tel:008610-84273641,84273652
Fax:008610-84274845
E-mail：cas_gjac@263.net
Add：Building19,Xiaohuangzhuang Road, Andingmenwai Street,Beijing,100013 P.R. China

China Gems Press
Tel:008610-84274802,84274803
Fax:008610-84274808
E-mail：
Add：Building19,Xiaohuangzhuang Road, Andingmenwai Street,Beijing,100013 P.R. China

Vocational Office of Gems & Jewelry
Tel:008610-84273855
Fax:008610-84274845
E-mail：zy.zg@sohu.com
Add：Room407 Building19,Xiaohuangzhuang Road, Andingmenwai Street,Beijing,100013 P.R. China