Muaj ob hom hloov qhov rooj: ib qho yog lub qhov rooj steel uas siv los ua lub qhov rooj tiv thaiv tub sab (saum npoo av nrog ntoo tshav kub hloov ntawv); lwm qhov yog qhov rooj ntom ntom ntog lossis lub qhov rooj ntoo ntawm qhov rooj lossis cov qhov rooj sib xyaw (qhov saum npoo ntoo ntoo hloov tshav kub zaj duab xis)).
Cov yam ntxwv ntawm MDF lossis cov ntoo zoo lossis cov qhov rooj sib txuas hauv tsev:
1. Ntoo-grain tshav kub hloov zaj duab xis thauj khoom siv yog PVC, thiab cov kab ntawv yuav tsis sib kis, uas yog qhov tseeb dua daim ntawv luam tawm ntawm daim ntawv.
2. Cov ntaub ntawv siv los yog cov khoom siv zoo (qhov qub laminating kua nplaum siv rau qhov rooj, tus number case siv rau kev luam ntawv thiab cov xim PU siv rau kev txau), tuaj yeem ua rau cov khoom lag luam ib puag ncig.
3. Ib lub qhov rooj yog txhua qhov.
Cov yam ntxwv ntawm steel phaj hloov qhov rooj:
1. Lub tshuab ntoo-lis tshav kub hloov daim ntawv thauj khoom siv yog daim ntawv, thiab cov kab ntawv luam tawm yuav kis tau rau ntawm daim ntawv, uas tsis meej meej txaus.
2. Cov ntaub ntawv raw khoom siv tsis yog ib puag ncig.
3. Ib lub qhov rooj tsis muaj tag nrho.