The function of the lock point of the rolling shutter door is to prevent prying, but it is the lock cylinder that really controls the telescopic opening and closing of the lock point. No matter how many anti-theft safety lock points there are, there is always only one lock cylinder. Once the lock cylinder is opened, all the lock points can be opened. Therefore, for the buyers of anti-theft safety doors, it is the key to pay attention to the quality of the anti-theft lock cylinder. The lock cylinder is the core of the anti-theft lock. Generally speaking, there is a lock point on the anti-theft safety door, which is four lock points.

滥用劣质门锁，无数标称的“卷帘门”之所以会轻易“失守”，往往都和生产厂家为节约生产成本，滥用了一些价格低廉的劣质门锁所致，大多数防盗安全门生产企业低价向社会采购来的锁具，锁体的钢板质量很多均不符合标准，有的甚至根本就不是钢板.

Abuse of inferior door locks, countless nominal "rolling door" will easily "fall", often because manufacturers in order to save production costs, abuse some cheap inferior door locks, most anti-theft safety door manufacturers low price to the community to purchase locks, lock the quality of many steel plates are not up to standard, some are not even steel plates

采用的是仿铸铁板或仿钢材的劣质材料，别说防撬，有的一加外力即能被掰开.锁点一多，往往标价也就水涨船高，事实上并非锁点越多价格越贵的防盗安全门就是好货，选购时莫忘记要促销厂商明明白白地提供出所用卷帘门锁具的等级标准，这才是要紧的呢。

It uses inferior materials like cast iron plate or steel, not to mention anti prying. Some of them can be broken with external force. If there are more lock points, the price will rise. In fact, it is not that the more lock points, the more expensive the anti-theft safety door is a good product. Don't forget to promote the purchase. The manufacturer clearly provides the grade standard of the roller shutter door lock, which is important.