To date, Islamabad has received 20 of the fighters over ... including a more powerful WS-10B engine and advanced electronic warfare systems. -The J-10C is armed with various air-to-air and surface ...

Initially, the J-20 was powered by Russian AL-31FM2 engines, but as the program progressed, they were replaced with Chinese WS-10C units, and ultimately, the plan is to use WS-15 engines ...