Genuine Automotive parts from Japan? - Trust / HKS / etc

Hi has anyone used Japanese Genuine automotive parts from Japan?

Brands like HKS, Trusts, etc.

But not from Alibaba - as thats all chinese fakes.

a site like this offers this offering Genuine Japanese parts.. - Link hidden: Login to view

Never used them myself, but Japan and Hong Kong seem to be the hot supplier spots for these types of parts I've noticed.