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 GVopto
 Add£ºNO.73 , XIANG YUN
 Road ,Langfang Development
  Zone,Hebei  Province,China
 P.C£º065001
 Tel£º0316-6060700
 Fax£º0316-6065188
 Email£ºinfo@gvopto.com
 Web£ºwww.gvopto.com
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