vape Mall's RY4 is good in that slightly strange, presumably Oriental style, I guess it's a one shot I don't recognize it. It started off very much like the Dekang I tried (not vintage) but got better after a day or 2 (The Dekang was very artificial and yet sort of really good.
). I'm using 1 drop per ml (2-2.5%). Of standard concentrates used standaIone, I like FA's the best. Can't get into the Hangsen. RY4 Double is OK, but add just a little RY4 Asian for more burnt caramel smokiness, like a few drops.