Your good friend needs a paternity test during pregnancy. On the one hand, you need to be pregnant for more than six weeks. On the other hand, Leping can't find an appraisal unit locally. You need to spend time looking in other big cities.
Leping paternity test during pregnancy
As far as I know, places near Leping, such as Hangzhou and Nanchang, can be found. You can do it in person or by mail.