They have been doing it for years and years.
I sell Phone Systems and IT Gear to companies and GOVT too, and they all have a million lines as they think they get bugged and they have been thinking this for years, it makes it hard for me
There is a new Chinese embassy being built in Canberra, the Chinese have bought in Everything from china, from the workers to the soil, to the nails they use in the wood, everything has been brought in from china because they don't trust anyone and only want their people to work on their building