PCB large shortage! Upstream materials for '14 gears' make big profitsPCB大缺貨!「14檔」上游材料大發利市1 report from 1 outlet in 1 language · first reported 2026-09-28 20:36 UTC · updated 2026-09-28 20:36 UTC · JSONEconomy & businessprinted circuit boardReportsPCB大缺貨!「14檔」上游材料大發利市PCB large shortage! Upstream materials for '14 gears' make big profitstw.news.yahoo.com · zh · 2026-09-28 20:36 UTC