First, as I have said before, you are ignorant:
China also have a strong domestic car and shipbuilding industry, at least not bad than South Korea
. China, of course sells more cars than Korea, and if you denies the quality I have to say because you are too poor to buy good cars.
Meanwhile, in quantity China has far exceeded South Korea in ship-building tonnage in 2013, in quality China has designed and built a series of new navy ships and submarines which can be easily seen in this forum, let alone other ships for special uses such as super oil tankers and deep-sea oil drilling platform etc. And all above is actually not important because we are talking about the 5th gen fighters, and Korea has never designed and built a domestic fighter.
Second, Based on your logic, Russia don't have domestic car industries so their engineering ability far more advanced than South Korea? What's more, they even have to hire Russians to launch their satellites, they can not design and manufacture their own Aero-engines, they are very good evidence for discrediting the ability of their industry, and proving that they don't even have a complete industry basis. (If you think hiring someone or buying a licence represents their industrial ability then I have nothing to say about your logic.)
You just take a few fields to represent a country's overall industrial ability, it's a typical fallacy of composition.
Third, You are not a expert in industrial areas, and please stop asserting.
I don't think you deserve more credit than the former Principal Engineer of Aeromechanics at GE Aviation that took part in the design of GE90-115B. @cnleio What do you think?
