- Seven N Half
- smoke/heat detector system, fire hydrant system, fire sprinkler, cctv, pa system, pabx, metal detector, archway gate, power sub-station and info-structure development..
- Address:Bangladesh
- ndtrading
- IP camera,CCTV camera,archway.
- Address:Apt# CPB raad# 13 House# 8 Dhanmondi
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