Even if the formula wasn't directly passed on, there were so many intelligent people in the world.
As long as this thing circulated widely enough,
someone was bound to reverse-engineer it.
It was just like back on Earth.
The United States imposed a technological blockade on Hua Country.
But for many things, as the people of Hua Country used them, they began to research how to make the same things themselves.
In just a few short decades, they had caught up in many areas of science and technology.
Moreover, much of this technology was developed by people using their own ingenuity, all while under the blockade.
Through repeated failures and countless experiments, they eventually succeeded.
Therefore, a technological blockade isn't a foolproof solution.
Often, you just need to provide a single sample.
As long as people are determined to replicate it and can gather enough manpower,
if this group of people truly wants to make that thing,
