If you want to go to an electronics factory with many girls, go to a big electronics factory. Suzhou electronics factory has these big factories, ASUS, Dafang and Christie's. Although they have a bad reputation, there are many people. Because there are many people and many beautiful women.
If you don't need an electronics factory, you can go to a clothing factory, where there are many girls, and most of the clothing factories are in Wuzhong District.