Who supply? It US to supply u the engine for T129K , not you.
Why talk about a 2011 incident of Peru deal where we couldnt supply Peru VT1A tank using Ukraine engine?
Now is 2020 and get down from your high horse and recognize China industry might. From warship, to tank. There are using state of art Chinese engine. Even Ukraine couldnt produced a 1500hp computerised automatic tramission engine.
In 2019 and 2020, we export VT-4 tank to RTA , PA and NA. Does it sound like a problem to you?
Or you want to claim I make all this up? How many Altay tank has you exported?
en.wikipedia.org
This is what a fully automatic transmission tank engine shall performed.