Originally Posted by joe_padavano
By the way, I've had a much bigger problem with Chinesium brake drums. On two different vehicles I installed brand new, out of the box rear drums as part of a brake job and on both vehicles the drums were out of round. This caused the self adjusters to exercise as the shoes were moved back and forth on the backing plate, eventually causing the rear brakes to drag and lock up. In both cases, turning these brand new drums fixed the problem, but WTF!
Not making excuses, but it may have to to with how they are shipped and stored. A Brake drum or rotor should always be laid flat, not on edge.
I would also think that they (especially drums) shouldn't be stacked any more than about 6 boxes deep.