Cold Drawn Hlau

Peb paub zoo tias yog ib qho ntawm cov ua lag luam thiab cov muag khoom hauv Suav teb. Peb sov siab txais tos koj mus yuav qhov zoo tshaj plaws txias drawn hlau rau muag ntawm no los ntawm peb lub hoobkas. Yog xav paub ntxiv, tiv tauj peb tam sim no.