Loads of brands are nothing more than a logo on some Chinese generic products like that. Google "best hand coffee grinders" and see how many of the 100 dollar models you can find identical matches for on eBay for 20 bucks.
Maybe the eBay ones are QC near-fails or knockoffs, but it's hard to tell without buying a bunch to inspect.
Maybe the eBay ones are QC near-fails or knockoffs, but it's hard to tell without buying a bunch to inspect.