Those good machines can't be made in China, they are all imported. The price is very expensive. According to its use cost and life cycle, the cost of each use is converted, and the price is obtained by adding reasonable profit.
Different levels of hospitals, different equipment and the same inspection items will have different prices, because the service life of machines is different and the definitions are different. Many low-level hospitals buy backward machines eliminated by other high-level hospitals, so the inspection cost of low-level hospitals is low.