On November 21, Inner Mongolia Zhonglian Chemical Co., Ltd. provided a quotation for calcium carbide at 2500 RMB/ton. The specification of the calcium carbide is: grade: first-grade; gas output (20°C, 101.3KPa)/(L/kg) ≥: 280. The validity period of the quotation is 3 days. The providing party is Wuhai Zhonglian Chemical Co., Ltd.