Magnum Machine & Tools (P) Ltd.
Magnum Park View 36A, Pratapaditya Road
Kolkata- 700026, West Bengal (India)
Enn Aar Engineering
No. 427, Pashupati Bhattacharjee Road
Kolkata- 700041, West Bengal (India)
Protech Engineering
No. 8, Russa Road South, 2nd Lane
Kolkata- 700033, West Bengal (India)