which quality is essential in order to excel in a sales role at a veterinary products manufacturing company?

See the explanation below.

Explanation:

Quality essential to excel in a sales role include:

Need to have product knowledge because while selling the product it is essential to explain about the product in detail.Good Communication skill i.e. the tone of voice, volume and pace of speaking of seller.Time management skill to become highly productive.Demonstration skills, it is critical to start the sale process so that sales rep must be able to show off the features of product.Knowing when to stop speaking and start listening because listening will help in understand about the client's requirements.Require critical thinking to analyze the data which will also help in solving problems.Self motivated and ambitious.Goal oriented and responsible towards their work.