QINGDAO RUIFE NGYUAN CHEMICAL CO，LTD.

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    On February 10, 2012, QINGDAO RUI FENG YUAN CHEMICAL CO., LTD. has officially registered.
    On February 10, 2012, QINGDAO RUI FENG YUAN CHEMICAL CO., LTD. has officially registered.
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    On May 16, 2012, Qingdao Ruifengyuan Chemical 400,000 tons/annual alkylated project launching ceremony has successfully held in Pingdu Xinhe.
    On May 16, 2012, Qingdao Ruifengyuan Chemical 400,000 tons/annual alkylated project launching ceremony has successfully held in Pingdu Xinhe.
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    On May 12, 2013, the Qingdao Ruifengyuan alkyl project has officially broken.
    On May 12, 2013, the Qingdao Ruifengyuan alkyl project has officially broken.
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    On August 30, 2014, the first phase of the Ruifengyuan Chemical Chemical Project has officially completed. On September 30th, it has submitted to the test. On October 18th, the one -time test has successfully produced.
    On August 30, 2014, the first phase of the Ruifengyuan Chemical Chemical Project has officially completed. On September 30th, it has submitted to the test. On October 18th, the one -time test has successfully produced.
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    On July 3, 2015, Qingdao Ruifengyuan Chemical 800,000 tons/year carbon four deep processing project driving celebrations were held in the plant area.
    On July 3, 2015, Qingdao Ruifengyuan Chemical 800,000 tons/year carbon four deep processing project driving celebrations were held in the plant area.
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    On May 9, 2016, the magnesium sulfate project has officially started.
    On May 9, 2016, the magnesium sulfate project has officially started.
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    On November 9, 2016, magnesium sulfate has officially completed and a trial car has started. After several debugging, it finally produced qualified magnesium sulfate products on December 9.
    On November 9, 2016, magnesium sulfate has officially completed and a trial car has started. After several debugging, it finally produced qualified magnesium sulfate products on December 9.
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    On June 29, 2018, the office building has started.
    On June 29, 2018, the office building has started.
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    On November 6, 2019, the acetic acid acetylene hydrochloride project has conducted on a geomantic survey
    On November 6, 2019, the acetic acid acetylene hydrochloride project has conducted on a geomantic survey
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    On August 8, 2020, the separation of aromatics separation devices has officially put into production and entered the trial production stage
    On August 8, 2020, the separation of aromatics separation devices has officially put into production and entered the trial production stage
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    On May 18, 2020, the acetic acid acetic acid acetic acid acetic acid acetic acid project has piled
    On May 18, 2020, the acetic acid acetic acid acetic acid acetic acid acetic acid project has piled
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    The construction of the office building has completed on June 16, 2020
    The construction of the office building has completed on June 16, 2020
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    Acetic acid acetylene device has completed on April 1, 2021
    Acetic acid acetylene device has completed on April 1, 2021