Kev tsim khoom zoo ntawm lub qhov rooj hluav taws kub kuj tseem muaj cov cai tswjfwm, patchwork seam ntawm lub qhov rooj ncej ntxuam, txiav lub kaum sab xis, qhov sib txawv ntawm cov txheej txheem ntawm lub qhov rooj, kev kho qhov rooj saum npoo thiab lwm yam, yuav ua raws li cov txheej txheem ntawm lub qhov rooj. kev cai.

https://ztfiredoor.com/24372.html

ntoo grain steel hluav taws qhov rooj 120 feeb,30 feeb hluav taws nyob qhov rooj ntoo,30 feeb hluav taws ntsuas qhov rooj ntoo,90mins hluav taws ntsuas ntoo qhov rooj 4.5 pob khawm,hluav taws kub retardant ntoo qhov rooj nrog pob khawm,30 feeb hluav taws ntsuas qhov rooj ntoo,hluav taws kub retardant ntoo qhov rooj nrog 4 “pob khawm,90mins hluav taws ntsuas ntoo qhov rooj 4.5 pob khawm,hluav taws ntoo qhov rooj nrog 4 ″ pob khawm,ntoo grain steel hluav taws qhov rooj 120 feeb,ntoo qhov rooj sab hauv niaj hnub hluav taws nyob 60 feeb,30 feeb hluav taws ntsuas qhov rooj ntoo,ntoo hluav taws nyob qhov rooj rau tsev,ntoo grain steel hluav taws qhov rooj 120 feeb,90mins hluav taws ntsuas ntoo qhov rooj 4.5 pob khawm