China front-month chemical futures rose in short-term trading; gains widened in
ethylene glycol (MEG), methanol, natural rubber and 20# rubber, styrene, PVC,
PTA, polypropylene (PP), benzene, plastics, paraxylene (PX), butadiene rubber,
propylene, polyester short fiber (PSF) and bottle‑grade PET chips. Urea's losses
narrowed.