What stands out about the unbranded brand is the straightforward labeling on the coil and contacts for easy identification.
5 Pack 12V 40/30 Amp Waterproof Automotive Relay Kit 5 Pin SPDT Pigtail
like that the brand is NOFUEL, because it shows up clearly in my parts inventory.
A nice touch is the smooth spring action inside this unbranded relay, which feels reliable without being too stiff.
A nice touch is how the motor starting relay Type handles heavy loads without drawing too much current all at once.
You will find that this unbranded relay pairs well with generic controllers, without any branding conflicts or odd fit issues.