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Gong Yixin clean water material Co., Ltd.

净水材料 聚丙烯酰胺,阳离子聚丙烯酰胺,阴离子聚丙烯酰胺,非离子聚丙烯酰胺,两性离...

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  • Contacts:zhang_shu_zhen
  • Tel.::037164395529
  • Mphone:13783666815
  • Fax:86-0371-64395529
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