Sensor & Control System
A - 16, Ramkrishna Park, Sodepur
Kolkata- 700110, West Bengal (India)
Spechno Techs Corporation
No. 41, Netaji Subhash Road, 3rd Floor Room No. 301
Kolkata- 700001, West Bengal (India)
Eartha Exports
85, N. S. Road, 2nd Floor, Room No. 19
Kolkata- 700089, West Bengal (India)