I think a lot of it is still nearby, in the Pearl River Delta. My friend's aunt took me to a PCB factory in Zhongshan (message me if you want the whole story).

I think a lot of it is still nearby, in the Pearl River Delta. My friend's aunt took me to a PCB factory in Zhongshan (message me if you want the whole story). Everywhere from Dongmen to Guangzhou to Zhongshan to Zhuhai to Macau is developed, and there's factories with people from all over China working there.