February 13th News On February 13th, Ningxia Xingertai Calcium Carbide Plant operated all four units at full capacity, with an ex-factory quoted price of 2,680 yuan per ton. A small quantity of crushed calcium carbide was available for external sales, and actual transaction prices were negotiable. Chempricehub Analysis of Calcium Carbide, Bull-Bear Score: -1 Ningxia Xingertai Calcium Carbide Plant operated all four units at full capacity, significantly increasing market supply. The ex-factory quoted price of 2,680 yuan per ton is negotiable in actual transactions, indicating insufficient demand or strong buyer bargaining power. The pressure of oversupply is rising, which is expected to exert downward pressure on the spot price of calcium carbide, constituting a generally bearish impact.