Room1621 Linqiao Piazza,Ningbo City,315010,China Ningbo, Zhejiang
Established in 1998, Ningbo DSW International Co.,ltd has specilized manufacturing Piezo siren & Alarm, siren, Battery backup Outdoor Siren, Home Alarm ,strobe light , magnetic contacts ,reed switches, Moled Speaker Box, Car Speaker, Loudspeaker and PIR ...
alarm, cctv systerm, access control, sliding gate opener