ປະຕູໄຟໄຫມ້ເຫຼັກກ້າມີ insulation ສຽງທີ່ດີເລີດແລະຄຸນສົມບັດ insulation ຄວາມຮ້ອນ. ປະຕູໄຟເຫຼັກສາມາດປະຫຍັດພະລັງງານ, ໄຟຟ້າແລະຄວາມຮ້ອນ.

https://ztfiredoor.com/25574.html

commercial emergency fire exit door with push bar,emergency fire exit door with push bar,fire rated hotel room entry doors with frame,fire door with push bar,steel fire door with push bar,ປະຕູປ້ອງກັນໄຟມີແຖບຍູ້,commercial emergency fire exit door with push bar,ປະ​ຕູ​ໄຟ​ເຫຼັກ​ທີ່​ມີ​ພາ​ທະ​ນາຍ​ຄວາມ panic​,steel fire door with push bar,emergency fire exit door with push bar,ປະຕູໄຟສອງຊັ້ນມີແຖບຍູ້,commercial emergency fire exit door with push bar,60 ນາ​ທີ​ປະ​ຕູ​ໄຟ​,steel fire door with push bar,ໄຟ​ປະ​ຕູ 60 ນາ​ທີ​,emergency fire exit door with push bar