Ntiaj teb Niobium Production

Hais txog lub teb chaws, Brazil thiab Canada yog cov tsim khoom tseem ceeb ntawm niobium nyob rau hauv lub ntiaj teb no, ntawm uas Brazil yog cov loj tshaj plaws niobium tsim nyob rau hauv lub ntiaj teb no, accounting rau 90% ntawm lub ntiaj teb no tag nrho cov niobium tsim. Hais txog cov tuam txhab, Brazil's CBMM (Brazilian Metallurgical Mining Company), Britain's Anglo American plc (Anglo American Resources Group) thiab Canada's Iamgold corporation niobium ntau lawm ntawm peb lub tuam txhab suav txog li 95% ntawm kev tsim khoom thoob ntiaj teb.