You can also search for tourist goods factories online first to find the approximate areas where those manufacturers are concentrated (in addition to the relatively concentrated Hangzhou collection, there are also some scattered areas in Hanjiang District).
They will hand-package products such as toothbrushes (labeling, barcode, bagging or boxing) to others, so that many women who have nothing to do at home or can't go to work full-time because they have to take care of their children will take some home in their spare time to subsidize their families and earn some pocket money.