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![]() She's mainly in the line of producing and developing dye and medical intermediates of naphthalene series. The key products are 1,5/1,6/2,6/2,7-naphthalene disulfonic acid sodium salt, L acid, 1-acetylamino-7-naphthol and so on. They抮e most used in dye, medicine and high polymer fields and are just developed new prod... [Detail] |