Xiaomi super big die-casting, in fact, this is not the point. The point is that Xiaomi is the only car factory in China that can produce large die-casting materials, and it has developed its own titan alloy.
Xiaomi super big die-casting, in fact, this is not the point. The point is that Xiaomi is the only car factory in China that can produce large die-casting materials, and it has developed its own titan alloy.
intellectual property construction material products engineering civil law
05-18