You're not even suppose to be shipping that stuff around. It's very easy to make on site at any place that need it as industrial ingredient and SOP in China is just to ship its precursor chemical (calcium carbide, a relatively harmless solid, reacts with water) around and make it where ever you need it instead of shipping the vinyl chloride gas around.
It's written right there in
You know why China made the decision to ship calcium carbide around instead of vinyl chloride? Precisely to avoid shit like this.