Chinese VersionChina Suppliers > Dragon Chemical Group Co.,China > 1,2-DIAMINO NAPHTHALENE-5,7-DISULFONIC ACID
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- Region :China/Zhejiang
- Tel : +86-571-88383188;86970388;+49-211-550203-21
- Fax : +86-571-88391332;49-211-550203-10
- Email :sales@dragon-chem.com
- URL :www.dragon-chem.com
- Add :16/Fl., Tower B, Qingchun Development Building, 66 East Qingchun Rd., Hangzhou, China
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1,2-DIAMINO NAPHTHALENE-5,7-DISULFONIC ACID