欧洲杯角逐投注

导航

development history
  • TH

    Yiyang Group implemented the advanced 5S system (Methodology) in 2021.


  • TH

    The 30th anniversary celebration of Yiyang Group's establishment was successfully held in 2017;

    The promotion meeting for the evaluation of "YEM-type Multi-purpose Slatted Fine Bubble Diffuser" hosted by China Urban Water Association was organized in 2017;


  • TH

     Yiyang Group's large modern building, science and technology R&D center and product showroom were completed in 2011


  • TH

    The 20th anniversary celebration of Yiyang Group's establishment was a big success in 2007


  • TH

    The scientific and technological achievement appraisal of the new high-efficiency oxidation ditch rotary disc aerator hosted by the Ministry of Construction was organized in 2004;


  • TH

    Yixing Yiyang Mogen Materials Co., Ltd. was separately founded in 2002


  • TH

    It was relocated in urban area of Yixing in 2001;


  • TH

     It was renamed Jiangsu Yiyang Water Industrial Co., Ltd. in 2000;


  • TH

    Jiangsu Yiyang Group was established in 1997;


  • TH

    It was renamed Yixing Water Industry Equipment Factory in 1992;


  • TH

    Yixing Gaocheng Wastewater Purification Equipment Factory - predecessor of Jiangsu Yiyang Group - was established in 1987;


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