Qicheng Suspension Technology (Xi'an) Co., Ltd. is a high-tech enterprise established in the context of the national 'dual carbon' strategy. It relies on the original scientific and technological achievements of a doctoral team from "985" project universities. The company specializes in researching, developing, producing, and selling dynamic and static gas bearings, as well as high-speed rotating machinery. In the researching and manufacturing of gas bearing centrifugal compressor and cryogenic hydrogen/helium turboexpanders, the company has achieved complete independence in key core technologies.