Must you display your ignorance thru your posts. Please try to do some research before you make such bogus claims.
J-15 uses Chinese WS-10H engine. Only the prototype used Russian engine in the beginning.
The first J-15 prototype is believed to have performed its maiden flight on August 31, 2009, powered by Russian-supplied
AL-31 turbofan engines.
[5] Video and still images of the flight were released in July 2010, showing the same basic airframe design as the Su-33.
[13] In July 2011, it was reported
FWS-10H turbofan engine was chosen for J-15 fighter, which has takeoff thrust increased to 12,800 kg, comparing
FWS-10 turbofan's 12,500 kg. Other improvements were also made to make it better suited to carrier-based fighter's requirement.
[14] On May 6, 2010, the aircraft conducted its first takeoff from a simulated ski-jump.
[5]
Shenyang J-15 - Wikipedia, the free encyclopedia