Some customers have seen our x ray collimator NK103 on Facebook. He wants the price of this limiter. Generally, we will recommend according to the requirements of the customer, but from a professional point of view, we will give reasonable advice to the customer or opinion. Choosing a beam limiter, we also have to choose according to our needs and equipment. For our company’s three x ray collimator, there are matching tube or X-ray machine. The choice of x ray collimator depends on the size of the tube. For 125KV tube, our NK103 and NK102 are suitable for customer needs, for 150KV. The tube, our NK202 alms customer needs. Selecting the x ray collimator depends on the applicable X-ray machine type. It is more suitable for the mobile X-ray machine to select the NK102 note. For the portable X-ray machine, it is more suitable to select the NK103 beam limiter.