On October 23, the price for calcium carbide offered by Inner Mongolia Shuangxin Chemical Co., Ltd. is 2500 RMB per ton. The specification of the calcium carbide: grade: first-grade; gas production (20°C, 101.3KPa) / (L/kg) ≥: 280. The validity period of the offer is 3 days. Offerer: Inner Mongolia Shuangxin Chemical Co., Ltd.