– Approved verifiers
Independent and accredited verification organizations
Compliance with all criteria in TCO Certified is verified by renown, independent verification organizations, in accordance with ISO/IEC 17025. Each specializes in various aspects of the verification process including visual ergonomics, product safety, environmental assessments and social responsibility audit verification.
![](https://tcocertified.com/files/2018/02/logo-intertek.png)
Intertek Testing Services
Shanghai, China
Product scope
Displays, notebooks, tablets, smartphones, desktops, all-in-one PCs, network equipment, data storage, servers
Contact person
Mr. Carl Dong
Tel: +86 21 61215134
carl.dong@intertek.com
Environmental verifier
Mr. Carl Dong
Tel: +86 21 61215134
carl.dong@intertek.com
Social verifier
Mr. Helin Zhao
Tel: +86 571 876 880 13
helin.zhao@intertek.com
![](https://tcocertified.com/files/2018/02/logo-nemko.png)
Nemko Shenzhen Laboratory
Shenzhen, China
Product scope
Displays, notebooks, tablets, smartphones, desktops, all-in-one PCs, network equipment, data storage, servers
Contact persons
Ms. Bihui Dai
+86 755 8221 0420 ext. 855
Bihui.dai@nemko.com
Mr. Bill Yang
+ 86 134 5900 6787
Bill.Yang@nemko.com
Environmental verifier
Mr. Billy Xiao
+86 755 82210420 ext. 820
billy.xiao@nemko.com
Social verifier
Ms. Bihui Dai
+86 755 8221 0420 ext 855
Bihui.Dai@nemko.com
![](https://tcocertified.com/files/2018/02/logo-nemko.png)
Nemko Taiwan Laboratory
Taipei, Taiwan
Product scope
Displays, notebooks, tablets, smartphones, desktops, all-in-one PCs, network equipment, data storage, servers
Contact person
Mr. Jeff Chuang
Tel: +886 2 87 97 87 90, ext 123
jeff.chuang@nemko.com
Environmental verifier
Mr. Jeff Chuang
Tel: +886 2 87 97 87 90, ext 123
jeff.chuang@nemko.com
Social verifier
Mr. Tony, Chen Yuan Tong
Tel: +886 2 87 97 87 90, ext 123
nemko.csrreviewer@nemko.com
![SGS-CSTC Standards Technical Services Co SGS-CSTC Standards Technical Services Co](https://tcocertified.com/wp-content/uploads/2020/11/logo-sgs.png)
SGS-CSTC Standards Technical Services Shenzhen
Shenzen, China
Product scope
Displays, notebooks, headsets, tablets, smartphones, desktops, all-in-one PCs, network equipment, data storage, servers
Contact person
Sherry Chen
Tel: +86 (0)755 25328750
Sherry-HL.Chen@sgs.com
Environmental verifier
Sherry Chen
Tel: +86 (0)755 25328750
Sherry-HL.Chen@sgs.com
Social verifier
Sonia Xu
Tel: +86 13610005596
Sonia.Xu@sgs.com
![](https://tcocertified.com/files/2018/02/logo-tuv.png)
TÜV Rheinland Shanghai
Shanghai, China
Product scope
Displays, notebooks, tablets, smartphones, desktops, all-in-one PCs, network equipment, data storage, servers
Contact person
Mr. Stanley Liu
Tel: +86 21 61 08 15 94
stanley.liu@tuv.com
Environmental verifier
Jarree Jiang
Tel: +86 21 6081 4656
Jarree.Jiang@tuv.com
![](https://tcocertified.com/files/2018/02/logo-tuv.png)
TÜV Rheinland Shenzhen
Shenzhen, China
Product scope
Displays, notebooks, tablets, desktops, all-in-one PCs, headsets, network equipment, data storage, servers
Contact person
Mr. Vincent Tu
+86 755 8268 1250
Vincent.Tu@tuv.com
Environmental verifier
Mr. Jammy Zhang
+86 7 558 268 1276
Jammy.Zhang@tuv.com
![](https://tcocertified.com/files/2018/02/logo-tuv.png)
TÜV Rheinland Taipei
Taipei, Taiwan
Product scope
Displays, notebooks, tablets, desktops, all-in-one PCs, projectors, network equipment, data storage, servers
Contact person
Ms. Ivy W. J. Huang
Tel: +886 2 2172 7000 Ext.: 1286
IvyWJ.Huang@tuv.com
Environmental verifier
Ms. Vera Lai
Tel: +886 2 21 72 12 56
Vera.Lai@tuv.com
Social verifier
Ms. Lisa Jiang
lisa.jiang@gz.chn.tuv.com
![](https://tcocertified.com/files/2018/02/logo-tuv.png)
TÜV Rheinland Yokohama
Yokohama, Japan
Product scope
Displays, notebooks, tablets, desktops, all-in-one PCs, projectors, network equipment, data storage, servers
Contact person
Mr. Stefan Hartter
Tel: +81 45 47 018 50
stefan.hartter@tuv.com
![logo-tuv-sud](https://tcocertified.com/wp-content/uploads/2021/08/logo-tuv-sud.png)
TÜV SÜD
Taipei, Taiwan
Product scope
Displays, notebooks, tablets, smartphones, desktops, all-in-one PCs, network equipment, data storage, servers
Contact person
Mr. Dony Wang
Tel: +886 2 2858 6127, ext 104
Dony.Wang@tuvsud.com
Environmental verifier
Ms. Jane Lin
Tel: +886 2 2858 6127, ext 103
Jane.Lin@tuvsud.com
Social verifier
Mr. Jack Zheng
Tel: +86 13509635182
Jack.Zheng@tuvsud.com