七星彩开奖走势图表

company history

  • 2003
    May 13th ,2003
    Winsen developed the direct -heating type of semiconductor alcohol sensor successfully and access to national utility model patent.
  • 2003
    Apr. 25th ,2003
    Zhengzhou Winsen Electronics Technology Co., Ltd was founded
  • 2005
    June 1st, 2005
    Six kinds of catalytic sensor own the national coal mine safety certification
  • 2005
    Mar.20th ,2005
    Catalytic gas sensor for mining application approved product technology stereotypes organized by Department of Science and Technology of Henan province.
  • 2005
    Jan. 13th ,2005
    Winsen developed catalytic gas sensor successfully and access to national utility model patent.
  • 2006
    Dec 16th, 2006
    Catalytic gas sensor, electrochemical gas sensor for hydrogen sulfide, electrochemical gas sensor for carbon monoxide and hydrogen MQ-8 gas sensor won the identification from industry experts in domestic market.
  • 2006
    May 31st, 2006
    Catalytic gas sensor used for methane detection in coal mine area got the Science and Technology Achievement Award.
  • 2006
    May 22nd,2006
    The Hot-wire gas sensor won the Achievement Award for scientific and technological research of Henan Province.
  • 2006
    May 8th, 2006
    Company obtains import and export qualification certificates.
  • 2006
    Apr. 28th 2006
    Company registered trademark of the success of
  • 2007
    Sept 27th. 2007
    Flat surfaced gas sensor(MP-3、MP-4、MP135、MP135A), electrochemical gas sensor for alcohol(MEX-C2H5OH ) approved product technology stereotypes organized by Department of Science and Technology of Henan province.
  • 2008
    Dec. 23rd ,2008
    MH series gas sensor approved product technology stereotypes organized by Department of Science and Technology of Henan province.
  • 2008
    June 2nd, 2008
    MH-4R NDIR gas sensor approved product technology stereotypes organized by Department of Science and Technology of Henan province.
  • 2009
    Dec. 29th ,2009
    Electrochemical ammonia sensor approved product technology stereotypes which organized by Department of Science and Technology of Henan province. 
  • 2009
    Oct.30th, 2009
    Hanwei successfully listed on the GEM, with stock code 300007.
  • 2009
    Apr. 15th,2009
    MH series NDIR gas sensor win the first Prize of Zhengzhou Scientific and Technology Progress
  • 2010
    April, 2010
    April, 2010
    Flat surfaced air pollution detection sensor wins Second Prize of Zhengzhou Scientific and Technology Progress Awards 2010.
  • 2013
    Aug. 8th.,2013
    Winsen was approved by Agilent, a leader in life sciences, diagnostics and applied chemical markets, as qualified supplier.
  • 2013
    Feb. 7th,2013
    Winsen electrochemical carbon monoxide sensor ME2-CO was approved by UL(USA).
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