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Tianjin Xin Yong-Chi technology development company limited

电石,硫化钠,碳化钙,硫氢化钠,大苏打,海波,晶体硫化钠,连二亚硫酸钠,烧碱,甲酸

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  • Contacts：wei_xiao_ming
  • Tel.:：02223686656
  • Mphone：13110056998
  • Fax：86-022-23686656
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