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Nov 01,2022
Indicators for purchasing stainless steel security doors
It is necessary to have a test certificate issued by a statutory testing agency, and a safety technology prevention product production permit issued by the safety technology prevention department of the provincial public security department where the production enterprise is located.
Oct 04,2022
Panel security door manufacturers introduce panel door
The panel door is also called "frame door", also called "Penzi door". The door is made of wood and joined into a frame, and the door is inlaid with wooden boards, hence the name.
Sep 26,2022
The most common type of security door on the market now is the physical security door. The fence type security door made of steel pipes in the past has been eliminated by the market.
Sep 22,2022
Buying skills of steel pre-hung doors
Whether the steel pre-hanging door is an electric high-speed door, and whether it can be powered off manually, so that the steel pre-hanging door can be opened quickly even in the event of a power outage.
Sep 20,2022
What is the difference between steel fire doors and steel doors
Different materials: The steel fire door is made of galvanized steel plate, with an oxidation protective layer and anti-ultraviolet coating on the outside,
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