Dawnrays Pharmaceutical (Holdings) Limited, an investment holding company, develops, manufactures, and sells non-patented pharmaceutical medicines in Mainland China and internationally. It operates through two segments, Intermediates and Bulk Medicines; and Finished Drugs. The company offers antibiotics, including pharmaceutical intermediates, bulk medicines, powder for injections, cephalosporin tablets, and other oral solid-dosage-form antibiotics. It also provides system specific medicines comprising cardiovascular systems; anti-HBV, anti-allergic, and digestive systems; urinary systems; anti-hypertensive, antihyperlipidemic, and antiviral; and endocrine system drugs in the form of tablets, capsules, and granules.