S.N. Das Engineering Company Privatre Limited
No. 1, Sitalamata Lane, Noapara
Kolkata- 700090, West Bengal (India)
Precision Engineers & Fabricators Private Limited
No. 166 B, Shyamaprasad Mukherjee Road, Suit No. 3D, Merlin Links
Kolkata- 700026, West Bengal (India)
HU Supplying Corporation
113/A Manohar Paukur Road
Kolkata- 700029, West Bengal (India)