What is the current situation of aircraft manufacturing and the bottleneck of engine manufacturing in China?

The present situation of China aircraft manufacturing industry is not optimistic, with backward technology and equipment and huge market pressure. The bottleneck of engine manufacturing mainly lies in materials and precision casting.

In fact, the entire aircraft manufacturing industry is highly dependent on other industries, such as electronics industry and special materials industry (titanium alloy, composite materials, etc.). ) and foundry industry. If these industries fail, the aircraft manufacturing industry will never have a bright future, and even the best design is useless-it will never be realized!

Other parts of the aircraft are not as difficult as those in China, but the engine manufacturing problem in China is very serious, mainly because China's previous aircraft used turbojet engines, such as J-7 and J-8, and lacked experience in manufacturing turbofan engines, but I don't think this is a big problem. China imported the engine used by Su -30, which is being copied. I believe that in the near future, we will see a new generation of fighters in China using their own engines.