1. Lub installation ntawm cov hlau engraving tshuab yog ruaj khov thiab tsis co.
2. Cov khoom ntawm cov hlau engraving tshuab ua tiav yam tsis muaj khawb, cov khoom siv tshuab ua tiav, thiab kev sib txuas yog ruaj khov.
3. Cov qauv hlau-rau-hlau vuam yuav tsum yog seamless vuam.
4. Cov tsos ntawm cov hlau engraving tshuab yog huv si thiab huv si, tsis muaj av thiab roj.
5. Lub tshuab xa hluav taws xob yuav tsum ruaj khov, thiab yuav tsum tsis txhob muaj kev vibration, suab nrov, thiab lwm yam. Cov hlua yuav tsum zoo thiab muaj qhov seem.
6. Lub iav hloov yuav tsum du.
7. Kev khiav hauj lwm ntawm cov hlau engraving tshuab tsis tuaj yeem tshwm sim npub, thiab cov txiaj ntsig ntawm txhua qhov ntsuas yuav tsum ua raws li cov khoom siv tsis zoo.
8. Cov kev taw qhia kev tsheb ciav hlau thiab qhov chaw ua haujlwm tsis tuaj yeem muaj qhov deformation loj thiab hnav.
9. Cov cuab yeej teeb tsa yuav tsum tau muab tso rau kom raug, ruaj khov thiab ua haujlwm zoo.
10. Lub tshuab nqus tsev yog ntsia tau zoo.
