They have both a V1 and a V2 model. You're right, that the V1 and the Gordon 304 from Ali look the exact same! I ordered the 48mm one from Ali for $19.26 & figured it was worth the gamble for a Stainless Steel grinder. If I don't like it, I'll give it to somebody! :)
I haven't found much online about NV Grinders, but did order a 4 piece & a 2 piece SS. They charge shipping unless your order is over $120 Euros, so that's why I ordered 2. I haven't received them yet, but am hoping that they work well. Does anyone know anything more about these? They were...