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Sulphur Blue BRN (4)CAS RN:
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Dalian Dyechem International CorporationTelephone:+86-411-82701579,+86-13309845172
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AFINE CHEMICALS LIMITEDTelephone:+86-571-85232125;85232161;85134551
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SHIJIAZHUANG HE DYE CHEM CO.,LTD..Telephone:+86-311-87756733
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Wenzhou Color Bloom New materials Co., LtdTelephone:86-577-88556683