What good is free trade is China's navy gets to countrol shipping routes? That's one card they are playing. The other one is controlling Russia in exchange for

What good is free trade is China's navy gets to countrol shipping routes? That's one card they are playing. The other one is controlling Russia in exchange for Taiwan. They understood that building cheap and in great numbers is the key to success. They did this with the J-7 and now the J-10.