- 15
- Nov
UL Fireproof Door Under Stairs
The surface treatment process of steel fire doors is more diverse. Besides, steel fire doors can be filled with a variety of fireproof materials, which have good fire and smoke prevention capabilities, as well as sound insulation, and are more suitable for schools, hospitals and other places that are very sensitive to noise.
ZHTdoors дарҳои оташнишонӣ, таҷрибаи 31-солаи истеҳсолӣ дар дарҳои оташнишонӣ ва тирезаҳо. Дарҳои асосии UL оташ, EN дарҳои оташ, BS EN дарҳои оташ ва ғайра,.Мо certification.ZHTdoors дастгирӣ OEM ва design.Our озод афзалиятҳои: сифати хуб, нархи корхона, service.Welcome хуб ба мо машварат.