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naphthol as-sg practical grade (7)CAS RN:86-19-1
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Dragon Chemical Group Co.,ChinaTelephone:+86-571-88383188;86970388;+49-211-550203-21
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Kelco Chemicals Co.,Ltd.Telephone:+86-21-62744350 62598819
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Dintech Chemical Co.,Ltd.Telephone:+86-510-82734258;82719958;85799581
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SUNWELL CHEMICALS CO.,LTD.Telephone:86-571-87243911 87046883 56822187 56822186
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SHIJIAZHUANG HE DYE CHEM CO.,LTD..Telephone:+86-311-87756733
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NEW DRAGON CO., LTDTelephone:+86-574-87716276 87721076 87703994
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ALEX CHEMICAL INDUSTRIAL CO., LTD.Telephone:886-2-2331 1425