I feel bias (prejudgment)


My item is rejected, which was pretty good quality. Then I started watching what generally confirm an item and found the quality of an item worse but approved two days earlier. Then they argue that an item should be of high quality
What does it mean?

At the same time, all of the technical product standards have been done. How i can continue to do the goods when they are deflected in a random order (in terms of quality)?