Generally speaking, if they are sent out from a factory near your home, most of them are reliable.

The various information posted online looking for processing, especially beads, ballpoint pens, handmade photo frames, ties, wet wipes, various handicrafts, LED lamps, mobile power lamps and other handicrafts, as well as various earthworms, leeches and other creatures, plant breeding and cultivation, processing, package purchase, etc., are mostly scams.