Cov neeg muas zaub Nyab Laj tuaj rau ZhenAn los yuav 542 tons ntawm ferrotungsten. Cov khoom yuav raug xa mus rau Nyab Laj hauv 7 hnub.
Ferrotungsten belongs rau ferro wolfram series. Ferro tungsten yog ib qho alloy uas muaj tungsten thiab hlau. Nws yog siv los ua alloy additive hauv steelmaking. Feem ntau siv tungsten hlau muaj ob hom 70% tungsten thiab 80% tungsten.
tungsten hlau smelting nrog hluav taws xob rauv, vim yog siab ferro tungsten melting point, tsis tuaj yeem tso kua, yog li siv txoj kev agglomerating lossis hlau ntau lawm.
