Fire doors are specially used to isolate fire sources in housing construction. In the event of a fire, people can get escape opportunities through fire doors.

https://ztfiredoor.com/25551.html

ປະຕູໄຟ 1 ຊົ່ວໂມງ,60 ນາທີໄຟຈັດອັນດັບປະຕູ,36”x80” fire rated steel doors,3 panel fire rating ປະ​ຕູ​,ປະຕູໄຟ 28 ນິ້ວ,ປະຕູໄຟ 3 ຊົ່ວໂມງ,36”x80” anti theft fire proof steel door slab,60 ນາທີໄຟຈັດອັນດັບປະຕູ,ປະຕູໄຟ 2 ຊົ່ວໂມງ,ປະຕູໄຟ 3 ຊົ່ວໂມງ,ລາຄາປະຕູໄຟ 2 ຊົ່ວໂມງ,3 panel fire rating ປະ​ຕູ​,120 ນາ​ທີ​ໄຟ​ປະ​ຕູ​ເຫຼັກ​,ປະຕູໄຟ 3 ຊົ່ວໂມງ,60 ນາທີໄຟຈັດອັນດັບປະຕູ,ໄຟ​ສໍາ​ເລັດ​ຮູບ​ປະ​ຕູ​ພາຍ​ໃນ​,3 panel fire rating ປະ​ຕູ​,ອອກຈາກປະຕູໄຟ