Dab tsi yog Hom Tsev Tsev Kho Mob Sib txawv?

Qhov txawv ntawm tsev cog khoom yog dab tsi?

muaj ntau hom tsev cog khoom raws li cov ntaub ntawv npog sib txawv lossis txawv tsim /

Raws li cov khoom sib txawv, cov tsev cog khoom muaj xws li hauv qab no:

1) PO zaj duab xis tsev cog khoom, muaj cov yeeb yaj kiab meej, thiab cov yeeb yaj kiab muaj yeeb yuj, nrog lossis nrog peb qhov kev nthuav dav

2) polycarboante tsev xog paj npog PC ntawv, tuab ness muaj 4mm, 6mm, 8mm, 10mm, 12mm, ob txheej los yog peb txheej

3) iav tsev cog khoom, iav muaj txheej txheej 4mm, 6mm, muaj 5 ntxiv 6 ntxiv 6 hollow iav

Raws li qhov sib txawv tsim, muaj hnub ci tsev cog khoom, ib lub tsev cog khoom tsev cog khoom, ntau lub tsev cog khoom thiab Venlo ru tsev tsev cog khoom.

tsev cog khoom loj thiab cheeb tsam raws li cov neeg muas zaub av thiab ua liaj ua teb loj tsim.