On October 21, Shida Shenghua and Dow Chemical Co. have set a bid price for propylene glycol at 5600 yuan/ton. The propylene glycol is in standard specifications: 215 kilograms per barrel, with a national standard of 99.8% purity and galvanized steel drum packaging. The validity period of this bid is three days. The bid provider is Jinri Hua Chemical Co., Ltd.