Inspur K-UX is a Linux distribution based on Red Hat Enterprise Linux produced by Inspur, a Chinese multinational company specializing in information technology. Inspur K-UX 2.0 and 3.0 for x86-64 are officially certified as UNIX systems by The Open Group.
source: https://www.opengroup.org/openbrand/register/brand3617.htm
https://nuvola.bg/mission-critical/inspur-tiansuo-k1-930-system/