15% Price Collapse in 5 Days? Wet-Process Phosphor
📉 The Great PPA Plunge: What Happened in 5 Days? On January 15, 2026, East China’s wet-process PPA prices stood at CNY 7,450/ton—a level many had pegged as “stable” after months of tight supply. Then came January 16: a single day of panic selling triggered a cascade. By January 20, prices hit CNY