1. Kev hnav tsis kam tiv: Cov npoo ntawm cov roj hmab conveyor yog txheej nrog cov roj hmab tshwj xeeb uas tau rhuav tshem thiab rhuav ntawm cov ntaub ntawv, txuas ntxiv lawv lub neej pabcuam.
2. High corrosion Kuj: cov khoom siv ntawm cov roj hmab conveyor ua tau zoo heev corrosion tsis kam thiab tuaj yeem siv rau hauv ib puag ncig hnyav xws li kua qaub thiab alkali.
3. Lub zog tensile muaj zog: cov khoom siv ntawm cov roj hmab conveyor muaj lub zog siab thiab muaj peev xwm tiv taus cov khoom hnyav.
4. Kev siv roj ntau heev: Roj hmab conveyor siv tau yog qhov tsim nyog rau kev xa cov ntaub ntawv ntau, hmoov nplej, thiab cov khoom muaj hmoov.
