On October 22nd, Inner Mongolia Zhonglian Chemical Co., Ltd.'s quote for calcium carbide was set at 2500 yuan/ton. The specifications of calcium carbide include: grade: first-grade; gas production (at 20°C and 101.3 KPa)/(L/kg) ≥: 280. The validity period of this quote is three days. The provider of the quoted price is Wuhai Zhonglian Chemical Co., Ltd.