Kumar Techno Refractories Mfg. Co. Pvt. Ltd.
K-70, Howrah Industrial Estate Baltikuri, Near Ati Dasnagar
Howrah- 711113, West Bengal (India)
Bhupendra Shah & Co.
No. 44, Ezra Street
Kolkata- 700001, West Bengal (India)
S. D. Scientific Works
No. 169, P. K. Guha Road, New 40, Near 2 No. Rail Gate
Kolkata- 700028, West Bengal (India)
Steam & Control Systems
No. 62, Motijheel Avenue, Near Nagar Bazar, Dumdum
Kolkata- 700074, West Bengal (India)