spivey,
As far as I know,
Awesome Vapor RY4 is indeed Dekang. The sample bottle I got back in the very early days of my vaping was during the period Dekang was frequently changing its formula. I didn't love it all that much back then, but Dekang has significantly improved their RY4 recipe since then, so it might be quite good now.
Since it's the tobacco bases that are giving you trouble, offering an alternate recommendation is difficult. There's just no way for us to know if you would or wouldn't like
any particular RY4 tobacco base. I'd hazard a guess (and it is just a guess) that a Classic (meaning Chinese) RY4 flavor profile might be more likely to please you than a Custom (meaning American) RY4, since the tobacco bases in Classic RY4s tend to be more middle-of-the-road or neutral.
I will suggest one for your consideration, although it may be a shot in the dark:
CrystalELiquid RY4. It's an American-made RY4 with a Classic flavor profile, which is rare. And it's darn good, as far as I'm concerned. I reviewed it in post #1015.
CrystalELiquid RY4