1. Siab raug, nrawm nrawm, txiav nqaim nqaim, thaj tsam cuam tshuam nrog cua sov tsawg, txiav qhov saum npoo yam tsis muaj burrs;
2. Lub laser txiav lub taub hau yuav tsis kov cov khoom siv thiab yuav tsis khawb qhov ua haujlwm;
3. Qhov hlais yog qhov nqaim tshaj plaws, thaj chaw cuam tshuam los ntawm tshav kub yog qhov tsawg tshaj plaws, kev hloov pauv hauv ib cheeb tsam ntawm qhov ua haujlwm yog qhov tsawg, thiab tsis muaj cov tshuab deformation;
4. Kev ua kom yooj yim yog qhov zoo, nws tuaj yeem txheej txheem cov duab, thiab nws tseem tuaj yeem txiav cov kav dej thiab lwm yam ntaub ntawv;
5. Nws tuaj yeem txiav cov ntaub ntawv nyuaj xws li phaj steel, hlau tsis muaj hlau, txhuas phaj phaj, cemented carbide, thiab lwm yam yam tsis hloov pauv.
