Given the well-documented tendency of large corporations - and this corporation in particular - to not give two shits about ethics, I'm not entirely sure which

Given the well-documented tendency of large corporations - and this corporation in particular - to not give two shits about ethics, I'm not entirely sure which direction the burden of proof lies. However they are certainly supplying China, a regime widely acknowledged to be committing genocide. Whether their chemicals are directly used for genocidal purposes seems academic? They do not care either way.