DB Products & Systems
No. 154, Lenin Sarani
Kolkata- 700013, West Bengal (India)
Aimil Limited
No. 686, Anandapur, E.M. By Pass, Shrachi Tower, C & D Block
Kolkata- 700107, West Bengal (India)
Sumeet Instruments & Chemicals
No. 29-B, Rabindra Sarani, 4th Floor, Suite No. 427 Near Poddar Court, Beside Mayur Cinema
Kolkata- 700073, West Bengal (India)