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Shijiazhuang city yan Kay chemical company

无机化工,硼砂,硝酸钠,氧化锌,氧化钴,氧化铁,氧化铜,氧化铝,硫酸钡,碳酸钾

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  • Tel.:：031187615020
  • Fax：86-0311-87615020
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