W-Seem seem
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99.0% Tungsten seem
Hauv kev lag luam tungsten niaj hnub no, ib lub cim tseem ceeb los ntsuas cov thev naus laus zis, qhov loj me thiab kev sib tw ntawm cov tuam txhab tungsten yog seb lub tuam txhab puas tuaj yeem rov qab tau thiab siv cov peev txheej tungsten theem nrab uas tsis ua rau ib puag ncig puas tsuaj. Tsis tas li ntawd, piv nrog cov tungsten concentrate, cov ntsiab lus tungsten ntawm cov khib nyiab tungsten siab thiab kev rov qab tau yooj yim, yog li kev rov ua dua tungsten tau dhau los ua qhov tseem ceeb ntawm kev lag luam tungsten.