福德正神官网

  • pure terephthalic acid
    13

    2017-07

    pure terephthalic acid

    福德正神官网Product Introduction Fine terephthalic acid (PTA) is white needle crystal or powder, is the production of polyester chips, long and short polyester fiber and other chemical fiber products and other important chemical raw materials. Its main...

    2016-07-13

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