Ntiaj teb no tungsten ntau lawm teeb meem

Raws li cov ntaub ntawv tso tawm los ntawm US Geological Survey nyob rau hauv 2015, lub ntiaj teb no tungsten ntau lawm nyob rau hauv 2014 yog hais txog 82,400 tons, nce me ntsis los ntawm 1% los ntawm 81,400 tons hauv 2013. Tuam Tshoj yog lub ntsiab tungsten tsim, nrog tungsten ore ntau lawm ntawm 68, { {9}} tons hauv 2014, suav txog li 84% ntawm tag nrho lub ntiaj teb. Nws tau ua raws li Russia (3,600 tons) thiab Canada (2,200 tons). Lwm lub tebchaws uas muaj tungsten ore ntau lawm suav nrog Nyab Laj (2,{17}} tons), Bolivia (1,300 tons), Austria (850 tons), Democratic Republic of the Congo (800 tons), Portugal (700 tons), Rwanda (700 tons), thiab Australia (600 tons).