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2-Amino-5-naphthol-7-sulfonic Acid (62)CAS RN:87-02-5
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Smart Chemicals Group Co. Ltd.Telephone:+86-21-33927743;33927342
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Levachem Co. Ltd.Telephone:+86-25-83247442/443/445/446/447
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Shanghai Amino-Chem Co., Ltd.Telephone:0086-21-50306558
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ZHUHAI GOLDENCHEM POLYMER INDUSTRIAL CORPTelephone:0086-756-332 9497
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NewRising International Enterprises GroupTelephone:+86-22-23246078 23246678
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NEW DRAGON CO., LTDTelephone:+86-574-87716276 87721076 87703994