21 Jul 2017 PBOC injects net CNY 510 bn via OMOs this week PBOC injects a net CNY 510 bn via Open Market Operations (OMOs) this week versus a net drain of CNY 70 bn seen last week. Meanwhile, the Central bank injected CNY 100 bn via 7 day reverse repos and CNY 40 bn via 14-day reverse repos today.