On December 5, Inner Mongolia Shuangxin Chemical Co., Ltd.'s quotation for calcium carbide is 2700 yuan/ton. The specifications of calcium carbide are: grade level: first-grade; gas output (at 20°C and 101.3KPa) / (L/kg) ≥: 280. The validity period of the quotation is 3 days. Quotation provider: Inner Mongolia Shuangxin Chemical Co., Ltd.