The biggest advantage of this fireproof door system is its rich cross-section, with a total of 16 profiles, including fixed partition series and various types of opening settings. As a combination of fireproof partition series and various door and window series, its facade size can be 50mm/60mm, which can effectively prevent the spread of flames and smoke. It is suitable for different forms of fireproof products such as single opening, double opening (with side light/top light), glass partitions, glass partitions with fireproof doors, etc. Economical price, transparent and beautiful. Adopting double-layer flame-retardant and fireproof sealing strips inside and outside, with excellent fire resistance performance.