Avacon Systems
58/2, B. T. Road, Near Dum Dum Chiriamore
Kolkata- 700002, West Bengal (India)
Shiv Shakti Engineering Company
10 Old Post Office Street Room No. 37, Right Wing
Kolkata- 700001, West Bengal (India)
Indrani Foundry Equipments
Shanpur, Chatterjee Shed, Howrah Amta Road
Howrah- 711105, West Bengal (India)