On October 13, the price for calcium carbide provided by Inner Mongolia Shuangxin Chemical Co., Ltd. is set at 2,500 yuan/ton. The specifications of calcium carbide are: grade level: first-grade; gas production rate (20°C, 101.3KPa) / (L/kg) ≥: 280. The validity period of this offer is three days. The provider of the offer is Inner Mongolia Shuangxin Chemical Co., Ltd.