Exclusive: Chinese banks have been buying US Treasuries over the past few months after lifting dollar deposit rates, moves that could help slow gains in the yuan and which come amid a spike in US yields ↧ EXCLUSIVE: Chinese banks purchasing Treasuries after wooing dollar ... Chinese banks have been buying U.S. Treasuries ​over the past few months after lifting dollar deposit rates, according to people familiar with the matter, moves that could help slow gains in the ‌yuan and which come amid a spike in U.S. yields.