Fireproof Door
>>>Material Specification: High quality cold rolled steel,zinc steel or stainless steel,anti-fire cotton can afford 1200 at least. Material Specification: 1.Fireproof level:The first class is 1.2H 2.Sound Insulation:The third class products sound Insulation Rw>23DB 3.Good Decoration Appearance Door Opening Instruction Generally, fireproof>>> More>>