Double Yikes!!
The agent said his company exported to the west via Hong Kong."We are still in the early days of selling these products, and clients from abroad are quite surprised that China can manufacture the same human collagen for less than 5% of what it costs in the west." Skin from prisoners used to be even less expensive, he said. "Nowadays there is a certain fee that has to be paid to the court."
Considering how many people are executed in China, it's no wonder that they can produce this stuff so cheaply.
Then again, this is the Chinese culture. Every person belongs to the State, even after they have died. And in China they don't like to waste useful resources.

I also would not be suprised if China is using organs from executed prisoners for all kinds of transplantation purposes and they might even deliberately delay execution until a good patient can be found for the imprisoned donor. Which is why they just execute them by shooting them in the head or neck. Almost immediately lethal yet no important get harmed this way.
One transplant centre was believed to be adjacent to an execution ground.
Oh. look! They are already doing that too!

But consider this... This world never has enough organs available for transplantations anyway. Many people don't want their organs being re-used by someone else after they died and thus many people who are in need for some organ wait in misery until finally someone dies. The Chinese policy just provides a lot more spare parts to be used for this purpose.

Does it really matter to what happens with your body after you've died? Before the stone age, anyone who would die would just be food for any lucky, hungry predator. A body would be reduced to just bones within a week and to dust within a few years. Nowadays we just bury the dead and let them rot away for years, feeding just the worms.

We are already using the remains of dinosaurs as fuel for our cars. I can imagine that we would use the bodies of any dead animal or plant to generate fuel once we've run out of those prehistoric oil reserves. (Which is what? 50 years from now?) Right now, the whole idea of recycling the human body is really Yikes now. But within half a century or so it might be required to keep our world running as it is running now.