The centre is a collaborative effort between the United Kingdom Government Communications Headquarters, or GCHQ, and Huawei. Its purpose is to strengthen links with Huawei and give the GCHQ the opportunity to verify the security of that enterprise's equipment. Despite that collaboration effort, a public report, which I can send to the committee, still came to the conclusion that Huawei products are suspect.
On January 30th, 2019. See this statement in context.