There are many types of fire doors, including wooden fire doors, steel fire doors, steel and wood fire doors, and other fire doors. The fire prevention time of fire doors is mainly determined by fire boards. In this regard, the performance of fire boards used for Class A fire doors is generally better than that of fire boards used for Class B fire doors, so the overall performance is better than that of Class B fire doors.

Протупожарна врата ЗХТдоорс, 31 година искуства у производњи противпожарних врата и прозора. Главна УЛ противпожарна врата, ЕН противпожарна врата, БС ЕН противпожарна врата, итд., Имамо сертификат. ЗХТдоорс подржавају ОЕМ и бесплатан дизајн. Наше предности: добар квалитет, фабричка цена, добра услуга. Добро дошли да нас консултујете.