Which questions are most important when buying a security door?

Where is the safest place in the world? The answer for most people is home. The security of the home is absolutely inseparable from a solid security door. Nowadays, there are many brands of anti-theft doors on the market, and the quality is uneven. They all say that they are the best and the safest, but in fact, they are different. As long as you ask the following five questions when purchasing an anti-theft door, the sales staff must think that they have encountered an insider, so they obediently put away their tricks and recommend the safest Class A anti-theft door for you. What are the most important issues when buying a security door? Question 1: "Is this door galvanized sheet or cold rolled sheet?" Usually, for cost reasons, most manufacturers

2022-05-17

The difference between the normally open fire door and the normally closed fire door

防火门的作用防火门是生命与财产的最后一道守护屏障，根据场所的人流量，选择常开式、常闭式防火门尤为重要，选择不当，因火灾事故造成经济损失，还会造成生命危险，不容忽视。那么，常开式与常闭式防火门有什么区别？北玛防火门小编阿明SEO在此分享： 区别在哪里要想了解二者的区别，首先要弄清楚常开防火门和常闭防火门是如何起到防火作用的。 常开防火门1、一般安装在人群多人流量大的地方，比如学校，大型商场，医院等地

2022-05-17