On February 4th, the price for calcium carbide provided by Fugu County Aowei Jia Neng Jiao Dian Chemical Co., Ltd. is 2900 yuan/ton. The specifications of calcium carbide are as follows: grade: first-grade; gas production (20°C, 101.3KPa)/(L/kg) ≥: 280. The validity period of this offer is three days. The provider of this offer is Fugu County Aowei Jia Neng Jiao Dian Chemical Co., Ltd.