Email: sales{at}nanjing-insulators.com

        USA & Canada:

                Doubletree Systems Inc.
                     4030 Moorpark Avenue, Suite 222
                     San Jose, CA 95117, USA
                     Tel:+1-408-850-1416
                     Fax: +1-408-519-7091

          China:

                      63 Taixin Road
                      Nanjing City, Jiangsu Province, China 210038
                      Tel: +86-25-85322919
                      Fax:+86-25-85310178 

        The Factory Location:

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