fire proof solid wood door

Core material soaked by special chemical fire proof mixed water and then dried, combined powder pearl inflation panel with unique manufacture procession ,fixed up our own D&R fire rated rubber seal , makes our fire proof solid wood door on the high level of quality . we got 30 ,60minutes English standard fire resistant certificate from the Chiltern International Fire Co.,Ltd, the assessment is conducted in terms of the current fire resistance test standard, BS476:Part 22:1987. Our products also meet national standard, and passed ISO9001/2000 world quality management system attestation. The best we can make solid wood doors to 120 mimutes fire resistant