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Fluorescent brightener 199 (31)CAS RN:13001-40-6;13001-39-3
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CIDIC Co.,Ltd.Telephone:+86-510-82303030
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Shanghai safechem international trade co., ltd.Telephone:+86-21-58200369
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Shanghai Bi-Bridge International Trade Co., LtdTelephone:+86-21-58510378
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Huzhou Shenda Chemical Co., Ltd.Telephone:+86-572-2177381 +86-572-3946661
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Tangshan Aodong Chemicals Co., Ltd.Telephone:86-571-86946950
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SHIJIAZHUANG HE DYE CHEM CO.,LTD..Telephone:+86-311-87756733
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Tianjin New Sun Biochem Co., LTDTelephone:+86-22-83711291 +86-22-83713639 +86-15977574136
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JITAT COMPANY LTD.Telephone:852-27701081
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Foshan Hongda Danter Chemical Co., Ltd.Telephone:+86-757-82129165 83881901
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Hangzhou Dingsheng Chemical Co ., Ltd.Telephone:+86-571-85284775 85284792