On November 1, Ningxia Xingping Fine Chemical Co., Ltd.'s quote for calcium carbide is 4000 RMB/ton. The specification of calcium carbide includes: grade: first-grade; gas production (20°C, 101.3KPa) / (L/kg) ≥: 280. The validity period of this quote is 3 days. The quote provider is Ningxia Xingping Fine Chemical Co., Ltd.