https://asianmilitaryreview.com/2018/11/china-eyes-second-attack-helicopter-opportunity/
The company had earlier dispatched three army aviation Z-10s to Pakistan for testing by the army in 2016. However, the service eventually selected the Turkish Aerospace Industries (TAI) T129 ATAK attack helicopters because the Z-10s reportedly did not meet performance and reliability requirements for austere environments.
AVIC subsidiary Changhe Aircraft Industries Corporation (CAIC) then went back to the drawing board with detailed test data accumulated from in-country testing and rolled out the new Z-10ME, which is believed to feature a more powerful 1,200kW engine as well as an extensive active and passive defensive aide suite.