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  • 2009

    Establishment of Changsha Science Environmental Protection Technology Co., Ltd.

  • 2012

    Establish an industrialization base for the National Engineering Research Center for Heavy Metal Pollution Prevention and Control

  • 2014

    The production base has been put into operation.The name is Changsha Science Environmental Protection Engineering Technology Co., Ltd.,

  • 2016

    2016 The first general meeting of shareholders was held

  • 2016

    A comprehensive strategic cooperative relationship has been forged with Zijin Mining Group, and the company's headquarters and R&D center, "Science Technology Park", has been put into operation.

  • 2018

    "Key Technologies for Resource-oriented Treatment of Polymetallic Waste Acid from Smelting Process" was awarded the Second Prize of National Technological Invention Award.

  • 2022

    Successfully listed on the Science and Technology Innovation Board (STAR Market) of the Shanghai Stock Exchange

  • 2022

    Approved to establish a National Postdoctoral Research Workstation

  • 2023

    2023 Establish the TIR waste acid and wastewater operation project department in Serbia

  • 2024

    Acquired Fujian Zijin Pharmaceutical Agent Company and renamed it Fujian Zijin Longli Chemical Co., Ltd.

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