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Henan Yuchen Pharmaceutical Co., Ltd. is a joint-stock enterprise established on the basis of Henan Yuchen Fine Chemical Co., Ltd. The company integrates research and development, production, and sales, with its main products including over 20 types of intermediates for cardiovascular and cerebrovascular disease treatment, antihypertensive, and lipid-lowering drugs, as well as active pharmaceutical ingredients such as Atorvastatin Calcium and Difenidol Hydrochloride. Among these, the production technology for the Atorvastatin Calcium intermediate M4 is at an advanced level. The company has a registered capital of 50 million yuan and is registered at Qianwang Village, Zhangpan Town, Xuchang County. It covers an area of 100,000 square meters, with a total building area of 26,000 square meters. The facility includes one refined drying and packaging workshop for pharmaceutical APIs, 12 production workshops for pharmaceutical intermediates, and 2 auxiliary workshops.