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Cylindrical Locks

Door Closers

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Electrified Devices

About BSI

BSI is a highly experienced manufacturer that has been serving both U.S and international markets for over 25 years.
With our headquarters based in USA and production facilities in Taiwan and China. 
Our products and components can be found in thousands of buildings from schools to airports, high rise buildings, metro stations as well as high security and military facilities worldwide.

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