On October 31, Ma Lan in Henan Province quoted the price of sodium bicarbonate at 1500 yuan per ton. The specifications of the sodium bicarbonate include: application level: food-grade; total alkali content (calculated based on NaHCO3), w/% ≥99.0~100.5%. The validity period of this quote is for three days. The provider of this quote is Guangzhou Zhaneng Chemical Co., Ltd.