On October 24, the price for calcium carbide provided by Inner Mongolia Shuangxin Chemical Co., Ltd. was set at 2,500 yuan/ton. The specification of calcium carbide is: grade: first-grade; gas production (20°C, 101.3KPa)/(L/kg) ≥: 280. The validity period of this price is 3 days. The provider of the price information is: Inner Mongolia Shuangxin Chemical Co., Ltd.