China doesn't hold all that much debt, so this doesn't apply
But anyway, a large debt holder can bind up the borrower by announcing they think the debt they hold is worthless. The impact would depend on how much debt it was, with a large amount being dumped almost certainly increasing the cost of borrowing.
But anyway, a large debt holder can bind up the borrower by announcing they think the debt they hold is worthless. The impact would depend on how much debt it was, with a large amount being dumped almost certainly increasing the cost of borrowing.