Central Glass

Tungsten prices have surged as much as 622% in 2026 as Chinese export restrictions and soaring AI chip demand created a supply crisis, with Japan's Kanto Denka and Central Glass—accounting for about 2…

China's export curbs on tungsten have caused the price of tungsten hexafluoride, a critical gas for AI chip manufacturing, to triple year-on-year, threatening Japan's semiconductor supply chain. Japan…