Analytical Instruments Sales & Service Pvt. Ltd.
No. P - 123, C. I. T. Road, Scheme 4 - M, Beleghata
Kolkata- 700010, West Bengal (India)
Clean Air Technologies & Systems
N-2/52, 2nd Floor, New Complex, S. S. Hogg Market, Nellie Sengupta Sarani
Kolkata- 700087, West Bengal (India)