- Rigorous Technologies
- CCTV,Time Attendance Device,Fingerprint,RFID Card,Fire Alarm,PA Systems,Network,IP Camera,CCTV,Network Camera,CCTV Accessories,DVR,Motherboard & Fire Alarm,Electronic Time Recorder.
- Address:House-20 (GF) , Lane# 01, Road# 01, Block-L, Halishahar H / E,
- DTECH Limited
- Computer & Network Accessories.
- Address:House # 3, Road # 17, Block # C Banani Dhaka 1213 Bangladesh
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