On October 28, Ningxia Xingping Fine Chemical Co., Ltd.'s quoted price for calcium carbide is RMB 2550/ton. The specification of the calcium carbide: grade: first-grade; gas production (20°C, 101.3KPa)/(L/kg) ≥: 280. The validity period of this quote is 3 days. The provider of the quote is: Ningxia Xingping Fine Chemical Co., Ltd.