according to the monitoring data of sunsirs, as of october 28, the ex-factory transaction price of domestic propylene glycol referenced 9366.67 yuan/ton. compared with october 19, the average price increased by 33 yuan/ton, an increase of 0.36%, and compared with october 19 compared with the previous day, the average price increased by 200 yuan/ton, an increase of 2.18%.
