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Beijing Qing Bi Water Environmental Technology Co. Ltd.

活性炭,聚丙烯酰胺,工业葡萄糖,聚合氯化铝,消毒片

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  • Contacts:wei_jing_li
  • Tel.::01056194236
  • Mphone:15313696310
  • Fax:86-010-56194236
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