On October 20, the price quoted by Inner Mongolia Zhonglian Chemical Co., Ltd. for calcium carbide is RMB 2500 per ton. The specifications of calcium carbide are: grade: first class; gas volume per liter (20°C, 101.3KPa)/kg ≥: 280. The effective period of this quote is 3 days. The provider of the quote is Wuhai Zhonglian Chemical Co., Ltd.