It is an interesting debate: UK have not banished them as such at the present time. But other nations have, lots of Geopolitics going on here in the Huawei space. If you want a loan it seems, go to the Chinese, but then they have conditions.
Well there you are at long last UK has banned Huawei from the Core network and must remove it:
This is a question of trust and integrity, pure and basic along with geopolitics as someone aptly put it previously in another conversation.