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-High Quality A3 steel,5mm steel door. -Clamshell door. -One time forming processing technology; Special paint technique that ensure 20 years of non-rust(Black and Ivory color)-Double cylinder locker; high quality motor drive; smooth remove the door while opening and closing, without any noise.-Drive Mode: DC speed-down motor drive, working life more than 300000 times; Intelligent detecting lock up system, have the self-preservation and the lock function.
