The National Scientific Suppliers
No. 4, Periyar Road, Ayanavaram, Near Nadar School
Chennai- 600023, Tamil Nadu (India)
Instruments & Chemicals Pvt. Ltd.
Old No. 814, New No. 8/132, 8th Floor, Shivalaya A Block, Opposite To Ethiraj Salai Post Office Ethiraj Salai
Chennai- 600008, Tamil Nadu (India)
Brilliant Scientific Company
New No. 1, Old No. 29, Ravi Street Bharathipuram, Chromepet
Chennai- 600044, Tamil Nadu (India)