Opal Research & Analytical Services
Plot No. 34, Mansarover Park, Behind Reliance Petrol Pump, Lal Kuan
Ghaziabad- 201002, Uttar Pradesh (India)
Birasini Test House
20/6/5,Site - IV,Sahibabad ,Industrial Area
Ghaziabad- 241124, Uttar Pradesh (India)
Shreeram Laboratory
Plot No. 8, Surya Enclave, G. T. Road Opposite Loha Mandi
Ghaziabad- 201009, Uttar Pradesh (India)