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Contact Person Ms. Tina
5F,Keyuan Rd, Zhangjiang High-Tech Park, pudong,shanghai, china
Door-locking magnets are, defying intuition, incredibly hard to force open. Without much noise and without any easily worn-out moving parts, they are in all a very secure locking device. A magnet will only lock if it is &#**9;powered-up&#**9;, xxxxx if current runs through it. Should the power supply be disrupted, a magnet can continue to operate if fitted with a back-up battery.
