search for "credit control" or "debt recovery" agency in google
I use “EC credit control”, they are very good.
Stand up for your principle! DO yourself a favor.
and you will benifit our world.
I hesitate for long before I use the kind of company. If I didn't chase money, this kind of people will go everywhere else and take advantage of other people.
這個在佛法叫“無畏布施”果報是健康長壽