Medical devices which products are profitable?

Medical equipment is very broad, the FDA listed thousands of kinds, which do a good job of profit, do not do a good job will lose money. Large instruments such as nuclear magnetic **** vibration profit is not small, but Chinese companies do not have the technology. Scalpel individual profit is low, if the sales volume is large, the total profit is also very high. The key to see if you have the ability to sell.