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yas puab
May 25, 2018

Yas molds yog cov cuab yeej hauv cov khoom lag luam uas siv los ua nrog cov yas moulding tshuab los muab cov khoom yas ua tiav kev ua tiav thiab muaj qhov tseeb. Vim muaj ntau hom khoom yas thiab kev ua, cov qauv ntawm cov yas moulding tshuab thiab cov khoom yas tsis yooj yim, yog li cov hom thiab cov qauv ntawm cov pwm yas no kuj yog ntau yam.