Hasthas Scientific Instruments India P. Ltd.
No. 83, Jothi Complex, M. K. N. Road, Guindly
Chennai- 600032, Tamil Nadu (India)
Krithish Scientific Company
No. 15, Pugazhendi Street Extension, Sanjay Gandhi Colony, Choolai Pallam, M.G.R. Nagar
Chennai- 600078, Tamil Nadu (India)
Sakthi Instruments
No. 1/945, Sri Venkesteswary Nagar, Perungudi
Chennai- 600096, Tamil Nadu (India)