卷帘门使用起来非常方便，并且它的样式美观大气，所以深受消费者喜爱，并且卷帘门在火灾发生时，能够有效阻隔烟雾，大大提高了生存的几率。也正是由于它现在深受消费者喜爱，所以很多的厂家纷纷做起了卷帘门，以致于卷帘门质量参差不齐，如何才能购买到的卷帘门呢？济南卷帘门厂教您三招，准确识别真假！

　　Rolling shutter door is very convenient to use, and its style is beautiful and atmospheric, so it is loved by consumers. And rolling shutter door can effectively block smoke when a fire occurs, and greatly improve the probability of survival. It is also because it is now loved by consumers, so many manufacturers have made the rolling shutter door, so that the quality of the rolling shutter door is uneven, how to buy the rolling shutter door? Jinan rolling shutter door factory teaches you three tricks, accurate identification of true and false!

　　查外观。卷帘门焊接牢固，焊点分布均匀;外表面喷涂平整光滑;在规定的位置应有产品标志、质量检验合格标志和质量认证(认可)合格标志。不合格的产品看上去焊接不牢固，焊点分布不均匀;喷涂不平整光滑;在规定的位置无产品标志、质量检验合格标志和质量认证(认可)合格标志。

　　Check the appearance. The rolling shutter door is solidly welded and the solder joints are evenly distributed. The outer surface is sprayed flat and smooth; There shall be product mark, quality inspection mark and quality certification (approval) mark at the specified location. Unqualified products look like welding is not solid, welding spot distribution is not uniform; Spraying is not smooth; There is no product mark, quality inspection mark and quality certification (approval) mark at the specified location.

　　看封条。合格的钢制、无机布卷帘门应设置防火密封条，该密封条应平直、无拱起，并有检测机构出具的合格检测报告;而不合格产品未设置防火密封条，或者密封条不平直、拱起，并无检测机构出具的合格检测报告。

　　See the seal. Qualified steel and inorganic rolling shutter doors should be equipped with fire sealing strips, which should be straight, without arch, and have qualified testing reports issued by testing institutions; The unqualified products are not equipped with fire sealing strips, or the sealing strips are not straight or arched, and there is no qualified testing report issued by testing institutions.

　　对尺寸。合格产品的外形尺寸应样品描述中的门扇厚度，门框侧壁宽度应样品描述中的门框侧壁宽度，防火玻璃外形尺寸应样品描述中的防火玻璃外形尺寸，防火玻璃厚度应样品描述中的防火玻璃厚度。不合格产品的外形尺寸应>样品描述中的外形尺寸，门扇厚度应样品描述中的门框侧壁宽度，防火玻璃外形尺寸应>样品描述中的防火玻璃外形尺寸。

　　For the size. The external dimension of qualified products shall be the thickness of door fan in the sample description, the width of door frame side wall in the sample description, the external dimension of fireproof glass in the sample description, and the thickness of fireproof glass in the sample description. The external dimension of the unqualified product should be greater than the external dimension in the sample description, the thickness of the door fan should be the width of the side wall of the door frame in the sample description, and the external dimension of the fireproof glass should be greater than the external dimension of the fireproof glass in the sample description.

　　济南卷帘门厂提醒大家在购买卷帘门时，为了保障它的效果，就需要认真仔细的查看卷帘门的质量，需要消费者瞪大眼睛好好选择了，选到了劣质的假冒伪劣产品，它的使用寿命或者使用时出现故障率的几率就会增大！

　　Ji 'nan rolling shutter door factory reminds you that when buying rolling shutter doors, in order to ensure its effect, you need to carefully check the quality of rolling shutter doors, and consumers need to stare and choose good, choose the inferior fake and inferior products, and its service life or the chance of failure rate will increase when using!

　　总之，辨别卷帘门的真假还是非常有必要的，上面济南卷帘门厂教的几招在选的时候要用到。想了解更多的内容就来我们网站zbfuguang.com看看吧！

　　In a word, it is very necessary to identify the truth and falseness of the rolling shutter door. The above several tricks taught by jinan rolling shutter door factory should be used when choosing. To learn more, visit our website zbfuguang.com!