On October 17, the price for calcium carbide provided by Inner Mongolia Zhonglian Chemical Co., Ltd. is 2500 yuan/ton. The specifications of calcium carbide are: grade: first-class; gas production (at 20°C and 101.3 kPa)/(L/kg) ≥: 280. The validity period of this quotation is 3 days. Quotation provider: Wuhai Zhonglian Chemical Co., Ltd.