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Nanjing Shangyuan industrial gas factory

混合气,标准气,高纯氮,高纯氦,高纯氢,高纯氩,氩气,氖气,氪气,液氩,液氨,一氧化碳,...

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  • Contacts：zhang_wen
  • Tel.:：02552702000
  • Mphone：18551605022
  • Fax：86-025-52702000
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