The domestic price for white carbon black on October 17th is 5500 yuan per ton. The specifications of the white carbon black are: usage level: rubber grade; production technology: precipitation method; SiO2 content ≥%, 90; pH value: 5.0-8.0; specific surface area m2/g: 161-190; the validity period of the quoted price is 3 days. The quoted provider is Jinan Ji Rong and Chemical Co., Ltd.