Let's not talk about high-tech products, even the most basic steel, China can only mass-produce low-end goods, high-quality steel to be imported from Sweden and Japan.
On the one hand, China's population is so large that low-end manufacturing can provide a lot of jobs.
And more importantly, to determine a country's scientific and technological strength of the university, China's universities have absolutely nothing academic atmosphere, all kinds of plagiarized papers into the wind.