The steel fire door is filled with fireproof material, and its outer surface must be sprayed to achieve a uniform color standard. Steel fire doors all require a smooth appearance, and electrostatic spraying achieves this. The sprayed layer has good appearance quality, good adhesion, and short construction to forming time, which greatly reduces the construction period and labor intensity.

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отко чыдамдуу эшик өндүрүүчүсү,fire exit door material, отко чыдамдуу негизги эшик, отко чыдамдуу эшик материалы,fire exit door legislation,өрт баа эшик калыңдыгы, болот эшик x,fire exit door keep shut,өрткө каршы эшик 90 мүнөт, 600 мм металл эшик,

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