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Electric Bolt
YB-500A(LED) Fail Safe Sturdiness Electric Bo...
YB-600C(LED) Electric Bolt With Cylinder
YB-500IN(LED) Fail Safe Sturdiness Electric B...
YB-80 Mini Intelligent Electric Bolt
YB-100 Fail Safe Electric Bolt W/Signal
YB-100S Fail Safe Simple Electric Bolt
YB-100+ Fail Safe Electric Bolt W/Signal & Time
YB-100+(LED） Fail Safe Electric Bolt W/Signal
YB-200(LED) Fail Safe Electric Bolt with Sig...
YB-300 Fail Safe Electric Bolt W/signal, Tim...
YB-400 Fail Safe Electric Bolt for Auto-door
YB-500B(LED) Fail Secure Sturdiness Electric ...