Industrial CT testing which is good

Now the domestic industrial CT brand is still quite a lot, there are Zeiss, GE, yxlon, Nikon, are more well-known in the industry, can't say which one is the best, because each has its own characteristics, such as the Zeiss product is the pursuit of high resolution, mainly scanning small samples, diameter of more than five millimeters is generally very difficult to sweep, the highest voltage is only 160Kv, scanning for a maximum of five hours for colleges and universities, research institutes to engage in the use of scientific research; GE's products are the United States General Electric Co. Research institutes engaged in scientific research use; GE's products are the General Electric Company of the United States, in the country belongs to the leading bar, because his family can be paired with two tubes, both can scan high-resolution small samples, but also cut to the micron tube scanning high-penetration medium and large-sized samples, the actual application of higher, if you want to learn about the product can be searched for ge's official website or the Shanghai Anglo Chinese test, I went to an Anglo Chinese test in 19 years organized by the Soil conference, visited their laboratory, very professional, strength is very strong; yxlon's two-bit X-ray inspection equipment is more complete, their family in the market seems to favor the sale of two-dimensional, other content heard less; Nikon's is also good, but the core parts are outsourced, can not build their own;