Rusian Antonov a massive monster, It is powered by six turbofan engines and is the largest airplane in the world; it is the heaviest aircraft with a maximum takeoff weight of 640 tonnes (and A BLOODY BIG PLANE!
Chinese Stealth Tech- many think China borrowed fighter technology. I also think it would be foolish not to use proven ideas. Plus if your designs can be taken the only main advantages are strategy and training. This where the majors have the edge.