The steel fire door is very durable. In the actual use process, the steel door is not easy to be damaged by the outside, which can protect the internal materials. The steel door frame will not deform after long-term use, and the steel fire door will not have quality problems due to frequent opening and closing.

ປະຕູໄຟ ZHTdoors, ປະສົບການການຜະລິດ 31 ປີໃນປະຕູໄຟແລະ Windows. ປະຕູໄຟ UL ຕົ້ນຕໍ, EN ປະຕູໄຟ, BS EN ປະຕູໄຟ, ແລະອື່ນໆ., ພວກເຮົາມີ certification.ZHTdoors ສະຫນັບສະຫນູນ OEM ແລະການອອກແບບຟຣີ. ຂໍ້ໄດ້ປຽບຂອງພວກເຮົາ: ຄຸນະພາບດີ, ລາຄາໂຮງງານ, ການບໍລິການທີ່ດີ.Welcome to consult us.