Pharma Tech International
30, Chaulpatty Road, P. O. Beleghata
Kolkata- 700010, West Bengal (India)
Asoka Enterprises
No. 49, Jhawtala Road
Kolkata- 700019, West Bengal (India)
Pharma Mach
No. 10, Chaulpatty Road, Beliaghata
Kolkata- 700010, West Bengal (India)
National Engineering Industries
No. 2/2, Sashi Bhusan Basak Lane
Kolkata- 700036, West Bengal (India)
Auro Engineering Co.
19 Kritiwasa Musker Road
Kolkata- 700067, West Bengal (India)