Established in 1998, Ningbo DSW International Co.,ltd has specilized in manufacturing Piezo siren & Alarm, siren, Battery backup siren, Outdoor Siren, Home Alarm ,strobe light , magnetic contacts ,reed switches, Moled Speaker Box, Car Speaker...
Main Products:
Piezo siren & Alarm, siren, Battery backup siren, Outdoor Siren, Home...
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