Because of the material, the old metal rolling shutter door installed before is easy to oxidize, rust the surface and even damage the door structure after 2-3 years of use, resulting in the non use of the metal rolling shutter door.

现在这个问题已经引起了卷帘门厂家的足够重视，新出产的金属卷帘门在出厂之前，在表面都做过特殊处理，可以保证在正常使用的情况下3-5年都不会锈蚀。

Now this problem has attracted enough attention from the rolling shutter door manufacturers. The newly produced metal rolling shutter door has been specially treated on the surface before leaving the factory, which can ensure that it will not rust for 3-5 years under normal use.

所以，旧式的金属卷帘门，一旦发生氧化，就预示着门体离报废不远了。这时候可以在表面喷上一层油漆，延缓金属的氧化。

Therefore, once the old metal rolling shutter door is oxidized, it indicates that the door body is not far from scrapping. At this time, a layer of paint can be sprayed on the surface to delay the oxidation of metal.

不管是旧式的还是新式的金属卷帘门，都需要每个礼拜擦拭吸附在上面的灰尘、雨水等异物，防止金属的氧化。

Whether old or new metal roller shutter doors, they need to wipe the dust, rain and other foreign matters adsorbed on them every week to prevent metal oxidation.

另外，日常在使用过程中，要避免碰撞门体，这样会造成济南卷帘门的金属材料裸露在空气中，缩短了使用寿命。

In addition, in the process of daily use, it is necessary to avoid collision with the door body, which will cause the metal materials of Jinan roller shutter door to be exposed in the air and shorten the service life.

为了防止铁艺大门生锈，我们可以定期用棉布蘸上少量的防锈油或缝纫机油擦拭卷帘门表层部分。若发现卷帘门已经开始有锈斑，那我们应该尽早用棉纱蘸机油涂于锈处，这样可以除掉锈迹，而不能直接用砂纸和其它糙面材料进行打磨。

In order to prevent the iron gate from rusting, we can regularly wipe the surface part of the rolling shutter door with cotton cloth dipped in a small amount of antirust oil or sewing oil. If it is found that the rolling shutter door has begun to have rust spots, we should apply cotton yarn dipped in engine oil to the rust as soon as possible, so as to remove the rust, rather than grinding it directly with sandpaper and other rough materials.

还有部分镀铬的铁艺大门很怕煤气、油烟，因此，不能将铁艺大门安装在在煤气灶与煤炉附近，以防煤气、油烟腐蚀镀铬层。希望大家多多注意这些问题。因为细节决定成败。

Some chrome plated iron gates are afraid of gas and oil fume. Therefore, iron gates cannot be installed near gas stoves and coal stoves to prevent gas and oil fume from corroding the chrome plating layer. I hope you will pay more attention to these problems. Because details determine success or failure.