Precision Balance India (Kolkata)
No. 6, Wood Street, Ground Floor
Kolkata- 700016, West Bengal (India)
Borosil Glass Works Limited
Dabriwala House, 4th Floor, No. 10-C, Middleton Row
Kolkata- 700071, West Bengal (India)
Gujarat Borosil Limited
E. 2/3, Gillander House, 8, Netaji Subhas Road
Kolkata- 700001, West Bengal (India)