Adopt a pair of layers the deluxe heat immerses to plate the zinc steel plate, filling the hair bubble to gather the ammonia fat in the center and install to strengthen , become the high strength door a body, have to separate a hot heat preservation goodl
Adopt a pair of layers the deluxe heat immerses to plate the zinc steel plate, filling the hair bubble to gather the ammonia fat in the center and install to strengthen , become the high strength door a body, have to separate a hot heat preservation goodl
采用双层高级热浸镀锌钢板，中间填充发泡聚氨脂并配置加强筋，形成高强度门体，具有优良的隔热保温，绝缘隔音、美观效果。