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        1. Free service hotline: 400-007-0089
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          Corporate headquarters

          Address:

          Technology Center:National Laboratory Building of control engineering, Zhejiang University

          Production base:Xi'hu Technology Park, Hangzhou Zhejiang Province

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          Service hotline:

          Support :400-007-0089

          Tel:0571-88371966

          Fax:0571-88371967

          Other:

          www.rajgoyal.com

          uwntek@uwntek.com

          National office address

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