Shandong Keyuan Pharmaceutical Co., Ltd. is engaged in the research, development, manufacturing, and marketing of chemical raw materials and their preparations. Its product offerings include gliclazide, metformin hydrochloride, isosorbide mononitrate, isosorbide dinitrate, lansoprazole, mecobalamin, ropivacaine hydrochloride, isoflurane, fluoxetine hydrochloride, clarithromycin L-lactate, chlorpheniramine maleate, esmolol hydrochloride, isoproterenol hydrochloride, nicotinamide-tinidazole, aminolevulinate, nisoldipine, qupibutu, propafenone hydrochloride, potassium diclofenac, chlorzoxazone, esomeprazole sodium, palonosetron hydrochloride, idalafeng, piroxicam, phenylephrine, vildagliptin, parecoxib sodium, and ruxolitinib hydrochloride. The company was founded in 2004 and is headquartered in Jinan, China.