Peb lub tuam txhab tuaj xyuas cov neeg siv khoom hauv Singapore. Peb muag 20 lub thawv rau ib hlis rau Singapore. Cov khoom muaj xws li: pre galvanized steel yeeb nkab, taug kev boards, scaffolding couplers. Peb tau ua haujlwm nrog cov neeg siv khoom hauv Singapore tau ntau xyoo.Our pab neeg yog lossi txhim kho peb pab neeg ua haujlwm tau zoo.Ntau cov neeg siv khoom paub.