On December 11th, Shaanxi Coal and Chemical Industry Group's quote for calcium carbide was 2600 RMB per ton. The specification of calcium carbide is as follows: grade: first-grade; gas production rate (at 20°C and 101.3 kPa) / (L/kg) ≥: 280. The validity period of this quote is 3 days. The quote provider is Shaanxi Coal and Chemical Industry Group.