Recently WIRED published a brilliant video series on the hardware ecosystem in Shenzhen. It has four parts and starts with this one:
As a refresher, Shenzhen is where most of the world’s electronics are manufactured. What a few decades or even just a few years ago was a place for cheap manufacturing of knock-offs has become a high-tech hub, and a hub of incredible manufacturing knowledge. Shenzhen is also on the way to become a major player for highly innovative hardware and product design.
I believe the Western tech scenes can learn a lot from Shenzhen.