Merck Millipore
No. 8, Camac Street, Shantiniketan Building, 7th Floor
Kolkata- 700017, West Bengal (India)
Positronics, India
No. P- 184, Suren Sarkar Road
Kolkata- 700010, West Bengal (India)
Quality Service Organisation Private Limited
No. 68/3/1 A, Bidhannagar Road, Ultadanga, Ground Floor
Kolkata- 700067, West Bengal (India)
Reliable Qms Consultants
Flat No. 902, 106, Megnad Saha Sarani
Kolkata- 700029, West Bengal (India)