• 1999

    Establishing Henan Haohai Industrial Co., Ltd

  • 2004

    Establishing Zhengzhou Haohai Shengtian Chemical Co., Ltd

  • 2006

    Establishing Zhengzhou Dabang Chemical Co., Ltd

  • 2010

    Establishing Zhengzhou Dayun Biotechnology Co., Ltd

  • 2019

    Establishing Henan Weizhong New Materials Technology Co., Ltd

  • Future Prospects

    Let's work together to create a better future