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Sulphur Black 1 (15)CAS RN:1326-82-5
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RIL INTERNATIONAL LTD.Telephone:+86 22 58211126/27/28
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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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Guangzhou Renown Chemical Co.,LtdTelephone:+86-20-62319989
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Alpha Group Ltd (Hong Kong)Telephone:852-28051956