Most cheap items (from China mostly) have a strong tangy odor to the plastics (or some resin, but I can mostly smell it on plastics). The smell is always consistent over a broad range or products and I get it for at least a decade. So I do not believe this is a one-off thing and I bet most people have experienced it. The only variation is intensity.
On some really bad products that smell impregnates other things and I failed to remove it with soap, baking soda, acid, scrubbing...
I'm curious to know what exactly is that smell.
Apparently it got some attention already, but there's no consensus, and a lot of crywolf(?) e.g. Campaign to Halt the Import of Chemical-Emitting Smelly Plastic from China.