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SIGNSTEK was founded in Nov. 7, 2012. In earlier times the company sells product on Amazon, we supply a wide range of high quality electronics to or consumer in US. And then in 2013 we introduce our 1st door lock on Amazon – the keypad door knob. Until today, we have refined our entire lockset product line and build this website. For 7 years, our attention to detail and obsession with thoughtful innovation has provided you with peace of mind and solutions for a life and job made simpler.