Earlier quoted context omitted.
Hypergolic doesn't mean "bad stuff", "highly toxic" or "carcinogenic" though, it just means "ignites on its own" (it's usually though not necessarily a combination of a fuel and an oxidiser[0]) Then again, hypergolic components are generally extremely toxic or ridiculously corrosive or both. [0] generally because e.g. Chlorine Trifluoride is such a strong oxidiser it's famously[1] hypergolic with stuff not usually co…
The word hypergolic doesn't mean that, but in spaceflight the term refers to a fairly specific group of compounds; Dinitrogen tetroxide and unsymmetrical dimethylhydrazine or monomethylhydrazine (UDMH / MMH).
but china probably use the lesser hypergolic combinations for actuall lift off.