FEATURED INSTALLATIONS
| Company Name | Project Location | Voltage | Year |
| State Grid Corp
of China |
China, 5
x 1000KV Projects in China, total of 500K
pcs of 300KN,420KN, 550kN per IEC/GB |
1000 KV AC |
2013 -2018 |
| State Grid of
China |
China,
+-1100KV UHVDC , total
of 400K pcs of 550KN, 840kN
per IEC/GB |
+-1100KV DC |
2018 |
| State Grid Corp of China | China, 8 x
+-800KV UHVDC total of 1.5
Millions pcs of 420KN, 550kN, 830kN
per IEC/GB |
+-800KV |
2013-2018 |
| Altalink | Alberta, Canada
per CSA |
+-500kV HVDC | 2013 |
| Xcel Energy | Texas, USA per
ANSI/IEEE |
345kV AC | 2013 |
| IE Madeira | Brazil per IEC |
600kV HVDC | 2012 |
| Power Grid | India | 765kV AC | 2011 |
| National Power Grid | China | 800kV HVDC | 2011 |
| Jiangsu Provincial Power | China | 500kV AC | 2010 |
Contact us
USA and Canada
Doubletree Systems, Inc.
4030 Moorpark Ave., Suite 222
San Jose, CA 95117
Tel:+1-408-850-1416
Fax:+1-408-519-7091
Email: sales(at)nanjing-insulators.com
========================
China
No. 99 Xianxin East Road
Nanjing, Jiangsu, China
210046
Tel: +86-25-85899383
Fax: +86-25-85803078
