Hollow hlau qhov rooj yog ua los ntawm cov ntaub ntawv channel ntau ntxiv steel thiab ntim nrog cov khoom siv tsis yooj yim xws li cov pob zeb ntxhia pob zeb, kraft honeycomb lossis polyurethane. Asico Qhov rooj txheem hlau qhov rooj yog 1-3 / 4 "tuab thiab yog hmoov txheej tiav.
Hollow hlau qhov rooj los ntawm Tuam Tshoj Asico Qhov Rooj tau pom tias muaj kev ua tau zoo rau lub zog thiab kav ntev dua piv rau cov khoom siv sib txig sib luag. Asico Qhov rooj hlau qhov rooj yog Ameslikas UL kuaj nrog cov ntawv pov thawj thiab cov ntawv cim.
Ntawm no yog UL ntawv pov thawj:
Txhua lub qhov rooj nrog UL daim ntawv lo rau ntawm lub qhov rooj nplooj thiab thav duab:
Cov pob khoom zoo thiab pallet thauj khoom ua rau cov zaub mov xa khoom yooj yim thiab nyab xeeb.
Xav paub ntau ntxiv thov xauj www.asicofiredoor.com lossis ua raws peb https://www.facebook.com/asicofiredoor/