Dey Instruments
No. 71, Metcalfe Street, 2nd Floor
Kolkata- 700013, West Bengal (India)
Darius Technical Services Private Limited
Room No. 50, 50/A At Y319 & Y320, HS Market 1st Floor, KB Road
Kolkata- 700018, West Bengal (India)
Cosmo Electronics
No. 32, Ezra Street, Basement
Kolkata- 700001, West Bengal (India)
Rectifier Trading Centre
No. 3, Manook Lane, Opposite Ezra Street, Ground Floor
Kolkata- 700001, West Bengal (India)