On December 23, Fugu Energy and Chemical Co., Ltd. of Fugu County provided a quote for calcium carbide at 3,750 yuan/ton. The product specifications include: grade: first-grade; gas production rate (at 20°C and 101.3 kPa) per kg is: ≥280 L/kg. The validity period of this quote is three days. The quote is provided by Fugu County Ouwei Jia Neng Jie Dian Hua Chemical Co., Ltd.