On December 12, the price of calcium carbide provided by Fugu County Aowei Jian Energy Chemical Co., Ltd. for a specification of "grade: first-grade; gas production at 20°C and 101.3 kPa/kg ≥: 280" is set at RMB 2800 per ton. The validity period of this quotation is three days. The provider of the quotation is Fugu County Aowei Jian Energy Chemical Co., Ltd.