R & D Diagram
Peb tsuas yog siv qhov zoo tshaj plaws aluminium alloy los tsim peb lub hau ntiv taw.Hauv peb lub chaw kuaj mob peb ua qhov cuam tshuam thiab kev ntsuas compression ntawm txhua pob ntiv taw lub kaus mom tsim.Peb tsim tag nrho peb cov toecaps hauv peb lub Hoobkas thiab tswj xyuas qhov hnyav.Peb khaws peb cov ntaub ntawv txheeb xyuas tau ntau xyoo.
Khoom siv
Khoom siv thiab xa khoom
