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[ Manufacturer Trader ]Main business are Door magnetic device, Water level sensor, Dry-reed relay
[ Manufacturer ]Main business are Car burglarproof device, Domestic and commercial burglarproof device
[ Manufacturer Trader ]Main business are Safety guard products
[ Manufacturer Trader ]Main business are Safety protection product
[ Manufacturer ]Main business are Safety defence product
[ Manufacturer ]Main business are Electronic burglarproof alarm device
[ Trader ]Main business are Wireless intelligent security alerting system