更新换代，更多的大小型都改装了卷帘门，就拿济南卷帘门来说，大大小小的街头基本都是卷帘门，各种样式的都有，对于卷帘门生产厂家材料选择都是按照标准选材。
More and more large and small shopping malls have modified rolling shutter doors. Take Jinan as an example. Street shopping malls of all sizes are basically rolling shutter doors, with various styles. The material selection for rolling shutter door manufacturers is based on international standards.
卷帘门在为人们带来巨大便利的同时，也对建筑设计工作提出更高的要求与挑战。作为一种比较科学、美观的卷帘门设施，被日益广泛地应用在建筑工作中。
While the rolling door brings great convenience to people, it also puts forward higher requirements and challenges for architectural design work. As a more scientific and beautiful rolling door facility, it is increasingly widely used in construction work.

现在卷帘门的样式也生产出好多，比如以前的手动卷帘门改成现在的电动卷帘，电动卷帘门又升级为防火卷帘门等等。
Nowadays, many styles of rolling shutter doors are also produced. For example, the previous manual rolling shutters have been changed to the current electric rolling shutters, and the electric rolling shutters have been upgraded to fire-resistant rolling shutters, and so on.
都各有各的特点，更主要的还是要看用户的需求，电动卷帘门用途也分很多种：按照每个使用者的不同用途，防火卷帘门厂家，有静音型、降噪型、有不锈钢卷帘门、还有防风、防火卷帘门和水晶卷帘门。
Each has its own characteristics. The most important thing is to look at the needs of users. Electric rolling shutters are also divided into many uses: according to the different uses of each user, fireproof rolling shutter manufacturers have silent type, noise reduction type, stainless steel rolling door, There are also wind-proof, fire-proof rolling shutter doors and crystal rolling shutter doors.
针对现有济南卷帘门在设计和实际运行过程中存在的漏洞和不足，从设计原理不断开发新的产品，让客户满意的产品。目前产品销售省内各地http://www.jnzxmy.com/，深受用户好评。
Aiming at the loopholes and deficiencies in the design and actual operation of the existing rolling door, we continue to develop new products from the design principles to make customers satisfied. At present, the products are sold all over the province in Jinan, and are well received by users.