Can a salesman at a medical device company work part-time as a buyer?

Can. Medical device company salesman according to the development of the sales plan, digging potential customers, and with customers to establish and maintain a good relationship, and the use of sales skills, to complete the sale of medical equipment, can part-time buyer, need to hold a valid drug license, and need to comply with national laws and regulations on drug business. A purchasing agent is an office worker who specializes in purchasing various production materials in an enterprise.