Considerations when buying steel doors
The steel door used for outdoor is normally used for a variety of purposes. It needs to use galvanized steel plate, oxygen shielded welding to strengthen the reinforcement, install waterproof threshold (or bottom seal), anti-theft pin, anti-ultraviolet High-quality coating to adapt to the harsh working environment of outdoor sun and rain.
1. When purchasing an anti-theft security door, the dealer's business qualifications must be certified to see if the operator holds the "anti-theft security door certification" issued by the Technical Defense Management Department of the Public Security Bureau.
Second, pay attention to careful inspection. The thickness of the steel plate of the qualified anti-theft door frame should be more than 2mm, the thickness of the door body is generally more than 20mm, and the weight of the door is generally more than 40kg.
3. When purchasing an anti-theft security door, pay attention to check whether the national certification standard "FAM" is printed on the anti-theft door, and you can also ask the dealer to provide the national anti-theft security door inspection report of the brand's anti-theft door.
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