Cov ntaub ntawv raw siv los ntawm peb lub tuam txhab yog txhua yam yuav khoom los ntawm cov lag luam loj thiab cov khoom lag luam zoo hauv tshuab steel. peb yuav muaj txhua qhov kev tshuaj xyuas nruj rau txhua yam khoom hauv cov txheej txheem ntawm ntau lawm, thiab txhua daim ntawm cov pawm kis txuas lossis tubing txuas txuas nws cov ntaub ntawv ntsig txog kev ua haujlwm, cov ntaub ntawv tshuaj xyuas cov ntawv pov thawj, cov ntaub ntawv kuaj xyuas cov ntaub ntawv pov thawj, phosphating thiab cov ntaub ntawv ntim, kom paub qhov tseeb ntawm hauv tag nrho cov txheej txheem, yog li kom ntseeg tau tias txhua yam khoom tuaj yeem ua tau raws li cov neeg siv khoom