Envirospec
77A / 72 Raja S. C. Mullik Road, P. O. Regent Estate
Kolkata- 700092, West Bengal (India)
Ruma Engineering
26/C,Chanditala Branch Road
Kolkata- 700053, West Bengal (India)
Agitators & Mixing Solutions
31, Nonadanga Road, Sheoraphuli, Hooghly
Kolkata- 712223, West Bengal (India)