Steel fire door closers, sequencers, hinges and other easily worn accessories are high-quality hardware, and the use times are strictly tested to ensure the service life of the product. The steel fireproof door has a good airtightness, which is closed in place and tightly, and will not leave a crack in the door to cause the indoor air conditioner and heater to overflow.

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.