Are Pfizer and Merck the same company?

Pfizer and Merck are not the same company. Pfizer has developed, produced and popularized many excellent prescription drugs for human beings, and created many internationally renowned health drugs. Merck is a company located in Kennyworth, New Jersey, USA. Besides prescription drugs, Merck also includes animal health care business in China. Nearly 50 kinds of veterinary drug products involve the prevention, treatment and control of diseases of livestock, poultry and pets, and are committed to protecting and caring for animal health and human health.