They can collect any time they want.
30 years is just the time for it to fully mature.
They can sell the bonds prior to maturity; they can’t demand payment of the principal from the debtor prior to maturity.
They can sell the bonds prior to maturity; they can’t demand payment of the principal from the debtor prior to maturity.
“They can collect any time they want.”
They can sell their bonds anytime. So will the Chinese money become the world reserve currency?