2

  • 1
  • 2
  • 3
  • 4

    News :2011-2015 China-depth assessment of optical glass products market research report ... ...

    
    20th International Optical Conference in China (Changchun) Optoelectronic Exposition

    Start time: 2005-8-23
    End time: 2005-8-26
    Venue: Changchun International Convention and Exhibition Center
    Contact: Zhang India 0755-83536689

    Show time: August 23, 2005 - 26
    Venue: Changchun International Convention and Exhibition Center

    Optical field of top international conferences - the International Optical Conference, 60 years, first held in China

     

    2011-2014  Changchun Deheng Optical Co., Ltd. , All Rights Reserved

    No.1726 East South Lake Road,Changchun Economic & Technological Development Zone,Changchun 130033,P.R.China

    Tel: 86-0431-85202975  Fax: 86-0431-85202965