NEMIX sells through Newegg, but it's one of those "Newegg routes the sale through the seller" things, rather than "Newegg buys the thing from the seller and handles the shipping and everything" thing. In my experience, the price is the same whether you order through Newegg's website, or through NEMIX's website.

Unless you have a particular reason to keep your order history in Newegg, just buy direct from NEMIX.

(IDK about NEMIX's relationship with Amazon, as I don't buy things from Amazon.)