chaw ua haujlwm Kev ruaj ntseg laj kab mesh tshuab suav nrog cov saw txuas laj kab tshuab, barbed hlau tshuab, nyom laj kab tshuab, nthuav dav hlau mesh tshuab, 3D laj kab mesh vuam tshuab, thiab 358 anti-nce mesh vuam tshuab.Cov mesh tiav lawm feem ntau yog siv rau qhov chaw tiv thaiv, xws li hauv chaw ua si, ua liaj ua teb, kev nthuav dav, tsev loj cuj, thiab lwm yam.