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Anhui Qingyun Pharmaceutical and Chemical Co.,Ltd is specialized in R&D, manufacturing and marketing of fine chemical, medical promoter and intermediate integrates. Our strong products are Rosuvastatin Calcium, Pitavastatin Calcium, Silodosin, Ranolazine HCl, Amlexanox, Betaxolol HCl, Rotigotine HCl and other APIs and their intermediates.