Make leather shoes, polyurethane resin glue
These things are secret, generally commercial secrets ah, the answer here do not believe in chaos ah!
If you need to make a polyester resin, then you can definitely tell you: This is a trade secret, it is impossible to tell you.
You're not very specific,If you need to make leather shoes, then you only need to go to the corresponding resin manufacturers, you can get the corresponding molding method.
