Medical device sales vary from person to person, product to product, and region to region, and need to be analyzed specifically.
Generally speaking, the more manufacturers of a product, the more demand for the product proves, the more competition, the relatively lower the profit; fewer manufacturers of products, high technology, the fewer competitors, the relatively greater the profit, but the less demand;
The more job vacancies there are, the more mobility proves that the position is not good enough to do