The R & D projects in China-made engine has some defects, the engine can not be widely used in military aircraft. As we all know, the Chinese improved strategic bombers H -6 equiped with the Russian-made D-30KP engine, JF-17 fighter with the RD-93 engine, J -10 with the AL-31FN engine, J-11 with AL -31F engines. 
According to the Russian Military industry News site on December 29 News reported that China's aviation enthusiasts, the 5th generation fighter first clear picture of the most amazing Christmas gifts. J -20 J -14 or code, or J-XX aircraft was taxiing at high speed, "passers, " found that after taking to the web. Perhaps this is to demonstrate transparency, perhaps the country's military strength increasingly strong and proud of China's industrial spun leakage. In short, the new aircraft's engines roar in the Tiger, and now the remaining question is what kind of new aircraft in the end with the engine.World experts generally believe that China-made engine R & D projects has some drawbacks, not widely used in military aircraft. As we all know, the Chinese strategic bombers H -6 improved engine assembly of the Russian-made D-30KP, JF-17 fighter using the RD-93 engines, J -10 with the AL-31FN engine, use the AL J -11 -31F engines. In short, the engine of China in Russia there is heavy reliance on imports, this trend is likely will continue. According to Russian media and the United Kingdom, "Jane's Defense Weekly " unconfirmed information, Russia has for the Chinese J–14 provides its own prototype of the 117S engine the latest (5th generation Russian fighter T-50 also uses this type of engine) But the news has been questioned. However, on the other hand, the Chinese-made WS-15 engine with the same look less credible, because this engine is not perfect, can not be used to verify the assembly of new machines. In short, China's 5th generation fighter in the end use of the type of engine, is still unknown.
