As fire has become an important hidden danger in modern buildings, fire doors, as an important means of fire separation, divide the space of buildings into several fire compartments, so that once a fire occurs in each fire compartment, it can not spread outward for a certain period of time, so as to effectively control the fire.

umnyango wentsimbi okanye i-fiberglass,umnyango wentsimbi vs i-fiberglass, umzi-mveliso wentsimbi,ixabiso lomnyango womlilo,iingcango ezikwaziyo ukumelana nomlilo kwiiflethi,uphawu lokuphuma emnyango,umnyango kaxakeka, umenzi wocango oluxhathisa umlilo,

imithetho yokuphuma komnyango womlilo, ukuphuma kobubanzi bomnyango,umnyango wentsimbi okanye i-fiberglass,Ibha yokutyhala emnyango wokuphuma komlilo,ixabiso lomnyango womlilo,ul umnyango womlilo, umnyango wentsimbi, ucango olungenamlilo oluneglasi, ucango olulinganiswe nomlilo wamaplanga,uphawu lokuphuma emnyango,

isakhelo socango lwentsimbi, umnyango womlilo wentsimbi,umnyango wentsimbi okanye i-fiberglass,isitshixo socango ngexesha likaxakeka,ixabiso lomnyango womlilo,Iingcango ezireyithwe ngumlilo zorhwebo,uphawu lokuphuma emnyango