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Guangzhou Cheng Hao chemical co

叔丁醇,苯甲醇,苯酚,水合肼,环氧氯丙烷,乙二胺,次磷酸钠,食用烧碱,对苯二酚,甘油,1...

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  • Contacts:tang_xiao_kai
  • Tel.::02082552099
  • Mphone:13922243661
  • Fax:86-020-82552099
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