Jiangdun's 2-3 hour fireproof door and window products are strictly manufactured in accordance with the national standard "Fire Doors" GB12955-2008, and have passed the inspection and obtained corresponding inspection reports and fire product certification certificates. All product production and sales are controlled by the IS09001 quality management system, ensuring effective quality and safety assurance. There are nearly a thousand specifications and sizes of fire doors, which are within the scope of national regulations and can also be produced and processed according to user requirements to meet different needs. At present, the specifications and models of fire doors that have obtained fire product certification are as follows: GFM1330 (Class A), GFM3030 (Class A), applicable to industrial factories, office buildings, hotels, hospitals, tunnels and other places. Classification of fire door types: ① single door, ② secondary door, and ③ double door. Product advantage: 95% of manufacturers in the market only have a maximum Class A 1.5 hour fire door certification report, while we can provide Class A 2-hour to Class A 3-hour fire door and window reports