I'll tell you all something and this is strictly my opinion. You all heard about the super concentrated flavorings right? Well, IMO the company in China supplies both Dekang and Hangsen with their flavorings. I have both brands, bought some of the concentrated stuff, and can't tell a difference in the flavors. Ginseng is a tough one to mix because it's very strong. I love Dekang's ginseng, made my own, and it's identicle in taste. Now whether or not my assumption is true, it's worth checking out the super concentrated stuff.
For HC, their flavorings are good but not as good as the super stuff.