more China futures exchanges accepted China government bonds as margin collaterals,more details on INE:Circular on Posting Government Bonds as Margin Collaterals (qmhedging.blogspot.com) Starting from October 18, 2021, government bonds will be accepted by Shanghai International Energy Exchange (INE) as margin collaterals. In compliance with the Clearing Rules of the Shanghai International Energy Exchange, INE hereby notifies the relevant issues as follows: 1. Processing Time The application for the posting or withdrawal of government bonds as margin collaterals shall be submitted to INE before 2:30 pm on each trading day. Detailed processing time is as follows: 2. Fees For government bonds posted as collateral, the fee rate is 5 basis points (annualized). Fees will be calculated based on the daily value after haircut and collected monthly.