Pharmaceutical agents and pharmaceutical companies are the same

Not the same. Both are agents of medicine, but the pharmaceutical agent is an agent of a class of drugs, while the pharmaceutical company is to do chain management, the agent of the full range of drugs. Pharmaceutical agent is a personal sales, pharmaceutical companies are responsible for purchasing, storage, sales department, from the pharmaceutical factory or medical equipment factory agent or underwriting products, and medical equipment, supplies, health care products, etc. sold to hospitals, pharmacies or individuals.