(Reuters) -U.S. shale drillers are facing higher prices for tungsten, a rare, ultra-hard metal used for industrial tools like drillbits, as Chinese export controls have squeezed supply, threatening ...

European tungsten prices have surged to their highest level since 2013, driven by China’s tightening grip on critical mineral exports. The price of ammonium paratungstate (APT)—a key intermediate used ...

China imposed export controls on five critical metals in February China supplies 83% of global tungsten, USGS says Rising tungsten costs could add $3,000–$25,000 to oilfield drillbit prices, expert ...

(Reuters) -U.S. shale drillers are facing higher prices for tungsten, a rare, ultra-hard metal used for industrial tools like drillbits, as Chinese export controls have squeezed supply, threatening ...