On November 11, Shaanxi Coal and Chemical Industry Group's price for calcium carbide is 2550 RMB/ton. The specifications of calcium carbide are: grade: first-class; gas production (20°C, 101.3KPa) / (L/kg) ≥: 280. The validity period of this offer is 3 days. The offerer is Shaanxi Coal and Chemical Industry Group.