Current location - Plastic Surgery and Aesthetics Network - Jewelry brand - Is my ring real?
Is my ring real?
Literally:

CTF stands for chow tai fook.

Pt950B indicates that the ring holder is made of platinum 950.

But when you ask this question, the most important thing to say is the jewelry testing institutions all over the country. If you are not practical, you can spend tens of dollars to re-examine.

Address of national jewelry and jade appraisal institution

To issue a formal quality inspection certificate for jewelry and jade, it must be a nationally recognized testing institution. Any of the three marks "CMA", "CAL" and "cncal" must be printed on the inspection certificate.

1,“CMA”? Metrological certification and accreditation institutions composed of countries or provinces, and accredited metrological certification units.

2、“CAL”? A nationally recognized testing institution.

3、“CNACL”? It has passed the national accreditation testing institution of China Laboratory.

Address of National Gem Appraisal Institution:

1, Beijing:

National jewelry and jade quality supervision and testing center? No.0/9, Xiao Huang Zhuang Road, Andingmenwai Street, Beijing.

Tel: 0 10-84273637, 84273800? Postal code: 1000 13?

Peking University Xinghua Gem Appraisal Center? Room 3303, New Teaching Building of Zhongguancun Peking University, Haidian District

Tel: 62755676 Postal code: 10007 1

China Geo University Beijing Gemstone Testing Center? No.29 Xueyuan Road, Haidian District

Tel: 82323039

Ministry of Public Security Anti-counterfeiting Product Quality Supervision and Inspection Center? Room 5 18, Building 7, Li Nan/KLOC-0, Muxidi, Xicheng District, Beijing.

Tel: 63537336

China Laboratory of International Jewelry Federation? Room 703, Zhong Yi Building, Jixiang Lane, Chaowai Street 103.

Tel: 5520263

National jewelry quality supervision and inspection center? No.2 A, Datun Road, Chaoyang District

Tel: 6487 197 1

Bao Zhongxie Gemstone Testing Center? Floor 1, Office Building, No.30 Xisiyang Hutong, Ministry of Land and Resources

Tel: 66557585

National Federation of Industry and Commerce Jewellery Merchants Association Jewelry Testing and Research Center? B2 Building 16 Floor B 16G of Cheng Zhen Building in Xizhimen, Xicheng District

Tel: 66 169533

2. Shanghai:

China National Light Industry Federation Gem Supervision and Testing Center Shanghai Testing Station? No.6, Lane 365, Xinhua Road, Shanghai

Tel: 02 1-63220033-3 10? Postal code: 200052

Tongji University Gem Testing Center? Siping road 1239? Tongji university energy building

Tel: 02 1-65983382

Shanghai Zhongbaobao Jade Testing Center? No.34 Yuanmingyuan Road, Shanghai

Tel: 02 1-632 15850? Postal code: 200002

Shanghai central laboratory jewelry and jade appraisal center. No.418 Zhenda Road

Tel: 5668 1084? Postal code: 200436

3. Hubei:

Hubei Gemstone Quality Inspection Center? China Geo University Jewelry College, Wuchang, Wuhan

Tel: 027-8748 1009 Postal code: 430074.

Hubei Wuhan Gold, Silver and Jewelry Testing Center? No.246, Li Ji North Road, Hankou, Wuhan

Tel: 027-85832594? Postal code: 430022?

Hubei Huangshi Gold, Silver and Jewelry Quality Supervision Center? No.0/86, Wuhan Road, Huangshi City, Hubei Province

Tel: 07 14-6232742? Postal code: 435000

4. Tianjin:

Tianjin Gem Testing Center? No.74 Kunming Road, Tianjin?

Tel: 022-2730225? Postal code: 30005 1

5. Chongqing:

Chongqing Gemstone Product Quality Supervision and Inspection Station? Room 3 18, Experimental Building, Chongqing University Center

Tel: 023-69852528? Postal code: 400023

6. Guangdong:

Guangdong Gold, Silver and Jewelry Testing Center? No.81Tunnel Bureau Building, Nonglinxia Road, Guangzhou?

Tel: 020-8730 1500? Postal code: 5 10080

Guangdong technical supervision bureau jewelry jade quality supervision and inspection station? No.751Dongfeng East Road, Guangzhou?

Tel: 020-87777 1-3298? Postal code: 5 10080

7. Zhejiang:

Zhejiang Jewelry and Jade Quality Supervision and Inspection Station? 498 Stadium Road, Hangzhou?

Tel: 0571-5157210? Postal code: 3 10007

Zhejiang Gold and Jewelry Quality Testing Center? No.222 Tianmushan Road, Hangzhou?

Tel: 057 1-85 128407.

Institute of quality and technical supervision and inspection? No.98 Desheng Road, Hangzhou?

Tel: 057 1-8537259 1? Postal code: 3 100 14

Ningbo Product Quality Supervision and Inspection Institute? No.2 Wang 'ai Road, jiangdong district, Ningbo?

Tel: 0574-87846422 Postal code: 3 15040.

8. Jiangsu Province:

Jiangsu Technical Supervision Bureau Nanjing University Jewelry Product Quality Inspection Station? No.22 Hanjiang Road, Nanjing (Nanda Protestant Building/room KLOC-0/04)

Tel: 025-3593789? Postal code: 2 10093?

Jiangsu Gold and Jewelry Testing Center? No.534 Zhongshan East Road, Nanjing

Tel: 025-664 1708? Postal code: 2 100 16?

Jiangsu Technical Supervision Jewelry Quality Inspection Station? 700 Zhujiang Road, Nanjing

Tel: 025-6646 182-265? Postal code: 2000 18?

Wuxi Gem Testing Center? Jiangsu Wuxi 9 16 mailbox

Tel: 05 10-3792724? Postal code: 2 14 15 1.

9. Fujian Province:

Fujian Gemstone Quality Supervision and Inspection Station? No.97 Hongqiao CuO, Hongshan District, Fuzhou City

Tel: 0591-3711183? Postal code: 350002?

Fujian Gold and Silver Testing Station? No.61Beihuan Middle Road, Fuzhou City

Tel: 059 1-784 1535? Postal code: 350003?

10, Yunnan Province:

Yunnan Jewelry Testing Center? No.35 Beijing Road, Kunming

Tel: 0871-3511583? Postal code: 6500 1 1

Guizhou province 1 1:

Guizhou gold, silver, jewelry and jade products quality inspection station? No.76 North Road, Guiyang City

Tel: 085 1-6822333-408? Postal code: 550004?

12, Sichuan Province:

Chengdu Product Quality Supervision and Inspection Institute? No.9 Yongfeng Road, Yiguanmiao, Chengdu

Tel: 028-5 180554? Postal code: 6 1004 1?

Chengdu Gold and Silver Jewelry Quality Supervision and Inspection Station? East 3rd Road, Erxian Bridge, Chengdu 1 No.

Tel: 028-33347 12-45 12? Postal code: 6 10059?

Jiangxi province 13:

Jiangxi Jiujiang Jewelry Gold and Silver Quality Inspection Station? No.52 Xunyang Road, Jiujiang City, Jiangxi Province

Tel: 0792-8225425? Postal code: 332000

14, Hunan:

Hunan Gold Gemstone Product Quality Inspection Station. No.84 Nanmin Road, Changsha

Tel: 0731-5160105? Postal code: 4 10007

15, Shaanxi:

Xi An Bao Shi Appraisal Center? No.6, South Section of Yanta Road, Xi City

Tel: 029-5525062? Postal code: 7 10054?

Xianyang Gold and Silver Jewelry Appraisal Center? No.7 Binhe Road, Xianyang City, Shaanxi Province

Tel: 0910-3311984? Postal code: 7 12000?

16, Gansu:

Gansu Gemstone Appraisal Center? No.0/68, Hongxing 1st Lane/KLOC, Lanzhou City

Tel: 093 1-8886737? Postal code: 730000

15, Heilongjiang:

Heilongjiang Gem Quality Supervision and Inspection Station? No.65 Zhongxin Road, Harbin

Tel: 045 1-5662783? Postal code: 150036

Jilin Product Quality Supervision and Inspection Institute? No.42 Jilin Avenue, Jilin City

Tel: 0432-466 15 17? Postal code: 1320 1 1.

16, Liaoning:

Dalian Gold, Silver and Jewelry Supervision and Inspection Center? 68-2 Wansui Street, Dalian

Tel: 0411-4604512? Postal code: 1 16000

17, Henan:

Henan gold, silver and jewelry quality inspection station? No.28 Jinshui Road, Zhengzhou City

Tel: 0371-3936530-3125? Postal code: 450053

18, Hebei:

Hebei Gold, Silver and Baoyu Jewelry Quality Inspection Station? No.53 Baihua Road, Baoding City, Hebei Province

Tel: 03 12-3026932? Postal code: 07 105 1

Shijiazhuang City, Hebei Province, jewelry and jade products quality inspection station. No.50 Huainan East Road, Shijiazhuang City

Tel: 03 1 1-5052562? Postal code: 05003 1

Hebei Tangshan gold gem jewelry quality inspection station. No.23, Beixin East Road, Tangshan, Hebei Province

Tel: 03 15-2825080? Postal code: 063000

19, Shandong:

Jinan Gemstone Product Quality Inspection Station? No.0/9, Keyuan Road, Jinan City

Tel: 053 1-296272 1? Postal code: 2500 14

Qingdao Gem Quality Supervision and Inspection Station? Middle Section of Fuzhou Road, Qingdao 18 Mailbox

Tel: 0532-5833690? Postal code: 26607 1

20. Xinjiang:

Xinjiang rock and mineral gem product quality supervision and inspection station. No.2 Karamay West Road, Urumqi

Tel: 0991-4841511-376? 4833 197

Xinjiang Uygur Autonomous Region Product Quality Supervision and Inspection Institute? No.32 Xinhua South Road, Urumqi

Tel: 099 1-2323884

2 1, Jilin:

Company name:? Jilin Gold and Silver Jewelry Inspection Center, No.0/08, Shenzhen Street, Jilin City, Jilin Province

Electricity? Words:? 0432-466 100 1