Some customers have seen our x ray collimator NK202 on Facebook. He wants the price of this x ray collimator. Generally, we will recommend according to the customer’s requirements, but from a professional point of view, we will give reasonable advice to the customer or opinion. For our company’s three beam limiters, there are matching tube or X-ray machine, so we asked the customer about his X-ray machine type and tube KV. His tube is 125KV, X-ray machine. For portable X-ray machines, our NK202 beam limiter does not meet his requirements, and the NK103 is suitable for his X-ray machine. Our x ray collimator NK102 and NK103 are suitable for 125KV bulbs. However, the x ray collimator NK103 is more suitable for portable X-ray machines, the x ray collimator NK102 is suitable for mobile X-ray machines, and can also be used for stationary X-ray machines. The NK202 is a x ray collimator for stationary X-ray machines.