shandong dongyue polymer material co., ltd.
domestic sales office：0533-8510456
e-mail：gfzxiaoshou@dongyuechem.com
foreign sales office：0533-8510071
e-mail：esales@dongyuechem.com
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domestic sales office：0533-8510456
e-mail：gfzxiaoshou@dongyuechem.com
foreign sales office：0533-8510071
e-mail：esales@dongyuechem.com
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