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Cov khoom siv hauv tsev

Peb cov khoom siv

Forging khoom siv

Forging khoom siv

Forging cov ntsiab lus

Forging cov ntsiab lus
 

Cov khoom siv hlau kos duab

Cov khoom siv hlau kos duab

Lub tshuab nqus tsev induction melting rauv

​​​​​​​​Lub tshuab nqus tsev induction melting rauv

Nqus annealing rauv

Nqus annealing rauv
 

Cov khoom siv kuaj pom

Cov cuab yeej kuaj xyuas