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Qingzhou guanghui chemical plant

醋酸钠,磷酸二氢钠,六偏磷酸钠,磷酸氢二钾,磷酸三钠,磷酸氢二钠,磷酸氢二钾,三聚磷...

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  • Contacts：cao_jin_long
  • Tel.:：5363292128
  • Mphone：13583652927
  • Fax：86-536-3292128
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