Shops in the Taipei/Kaosung area carries this skimmer. As for proof. Well if you can read Chinese or have a translator you can see this following
Thread about this skimmer...It's been comfirmed by many that it's made and originally designed in TW. FWIW I have been offered a used 1st generation (current KZ model is the 4th generation) model for the price less than a Remora.
Mavgi asked me about the origins of this particular skimmer few months back and he should have more info on it.