镀锌线沉没辊：原料上涨周期下，如何用“延长寿命”对冲采购成本上升？
Recently, the prices of key alloying elements for heat-resistant steel—such as nickel, molybdenum, and chromium—have remained at persistently high levels. Consequently, the procurement costs for zinc pot spare parts—including sinker rolls and stabilizer rolls—have generally risen by 10% to 20%. The initial reaction of many production supervisors at galvanizing lines
