On October 21, Ningxia Xingping Fine Chemical Co., Ltd.'s quotation for calcium carbide is 2550 RMB/ton. The specifications of the calcium carbide: grade level: first-class; gas production (at 20°C and 101.3KPa)/(L/kg) ≥: 280. The validity period of this quotation is 3 days. Quotation provider: Ningxia Xingping Fine Chemical Co., Ltd.