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Sulphur Blue (5)CAS RN:
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Dragon Chemical Group Co.,ChinaTelephone:+86-571-88383188;86970388;+49-211-550203-21
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Dalian Dyechem International CorporationTelephone:+86-411-82701579,+86-13309845172
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Hebei Rising Chemical Co., Ltd.Telephone:+86-311-85520176 85520177 85520178
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Kelco Chemicals Co.,Ltd.Telephone:+86-21-62744350 62598819
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SHIJIAZHUANG HE DYE CHEM CO.,LTD..Telephone:+86-311-87756733