The fire endurance of Grade C fire door shall not be less than 0.6h. There will be a layer of electrostatic spraying on the surface, and the interior is filled with non-toxic and harmless fireproof and thermal insulation materials. The filler of Grade C fireproof door is perlite and cement fireproof materials that meet the environmental protection and fire protection standards.

ZHTdoors iingcango zomlilo, iminyaka eyi-31 yamava okuvelisa kwiingcango zomlilo kunye neWindows. Iingcango eziphambili zomlilo ze-UL, iingcango zomlilo ze-EN, iingcango zomlilo ze-BS EN, njl., Sine-certification.ZHTdoors ixhasa i-OEM kunye ne-design.Our yamahhala: umgangatho omhle, ixabiso lefektri, inkonzo enhle.Wamkelekile ukuba uqhagamshelane nathi.