With a Chip, Chip Here And a Chip, Chip There
If you're looking for things to worry about, this appears to be both true and really bad. Computer motherboards that are made in China (including your phones, potentially) could be a very bad thing:
https://www.bloomberg.com/news/features/2018-10-04/the-big-hack-how-china-used-a-tiny-chip-to-infiltrate-america-s-top-companies
https://www.bloomberg.com/news/features/2018-10-04/the-big-hack-how-china-used-a-tiny-chip-to-infiltrate-america-s-top-companies