Khw hnub no

Hnub tim 8, 30B ferrotitanium 25-raws li 12100-12600 (flat), 30A ferrotitanium 25-raws li 12400-13100 (flat), 40A ferrotitanium 40-raws li {{9} } (flat), 70B ferrotitanium pov tseg titanium hom 28000-29000 (flat), thiab 70A ferrotitanium 300.