Mai Iulai 6 a hiki i ka 13, ua piʻi ka awelika kumu kūʻai o Cyclohexanone ma ka mākeke kūloko mai 8071 yuan/ton a i 8150 yuan/ton, piʻi 0.97% i ka pule, iho 1.41% mahina ma ka mahina, a iho 25.64% makahiki ma ka makahiki. ʻO ke kumukūʻai kūʻai o ka benzene maʻemaʻe maʻemaʻe i piʻi, ua ikaika ke kākoʻo kumu kūʻai, ke ʻano o ka mākeke ...
Heluhelu hou aku