[Weldangrind]

Rather than have us flip between threads, it would be great if you could post a pic of your rear brake setup here. I'm confident that we can point you towards a replacement at a decent price.

You might be able to bleed your rear brakes by changing the procedure slightly. Most of the China brakes are Honda copies, and as such the bleeder isn't at the highest point of the caliper. If you unbolt the caliper and rotate it so that the bleeder is at the highest point, it might bleed successfully. If you try to bleed it in place, there might be a pocket of air that will never leave. Just make sure to have the rotor between the pads, so the piston has something to pressurize against.