Always cool to see folks doing new stuff.
Sounds to these Western ears that you did a good job with the new instruments.

The Erhu becomes tiring to me ear after a while. But that might be because it's not a sound or style that I would listen to.
(I actually have 2 Erhus that my wife carried back from a trip to China - decades ago. They hang on my wall. I've never even Tried to play them. I had to look up the instruments in your list to even know they were called that)

Mix is good. Of course.
And, as always, your instrumental has good structure.

Okay...let's see you use all those new Metal tracks for an instrumental!
smile

fj