The steel fire door is formed by connecting the door frame and door leaf through hinges. The door shall be equipped with door closer and fire lock. The double door shall also be equipped with concealed bolt and aligner to prevent the overlap of the middle seam of the door leaf. The fire door leaf shall be equipped with glass, which shall have the same fire resistance limit as the door.

ZHTdoors 방화문, 방화문 및 Windows 분야에서 31년의 생산 경험. 주요 UL 방화문, EN 방화문, BS EN 방화문 등. 우리는 인증을 받았습니다. ZHTdoors는 OEM 및 무료 디자인을 지원합니다. 우리의 장점: 좋은 품질, 공장 가격, 좋은 서비스. 상담을 환영합니다.