Khandelwal Industries, Kolkata
Room No. 47, Block - B, 3rd Floor, Mehta Building, 55, B. R. B. Basu Road
Kolkata- 700001, West Bengal (India)
H. T. Nano Concern
3, Beneras Road, Salkia
Howrah- 711106, West Bengal (India)
Commercial Supply Syndicate
No. 4 - A, Pollock Street, Swaika Center 5th Floor, Suite No. 509
Kolkata- 700001, West Bengal (India)
G. S. Engineering Concern
Khan Industries Estate, Room No. 9 Shanpur, Dasnagar
Howrah- 711105, West Bengal (India)
Insulation Inventor
No. 46/ 1, Raja S. C. Mullick Road
Kolkata- 700032, West Bengal (India)