1. Nws yuav tsum muaj cov ntawv pov thawj xws li European EN 1090 lossis AISC certification. Peb lub tuam txhab twb tuav lub EU EN1090, thoob ntiaj teb vuam system ISO3834, American AISC ntawv pov thawj thiab ISO tswj system ntawv pov thawj.
2. Lub Hoobkas ua haujlwm. Peb muaj peb tus kheej steel qauv Hoobkas, uas ua haujlwm hauv tsev nyob ib ncig ntawm lub moos thiab tsis ua rau muaj kuab paug rau ib puag ncig.