Mini Iron & Alloys Private Limited
No. 37 A, Bentinck Street, No. 202, Bentinck Chambers
Kolkata- 700069, West Bengal (India)
Royal Spring Industries
No. 16, Kedarnath Deuty Lane, Kadamtala
Howrah- 711101, West Bengal (India)
The Pioneer Spring Mfg. Co.
113-P, Netaji Subhas Road, Ground Floor
Kolkata- 700001, West Bengal (India)
R.K. Dey & Company
No. 113-G, Netaji Subhas Road, 3rd Floor P. Box No. 817
Kolkata- 700001, West Bengal (India)