"We here by inform that we are using the machine, Taber Rotary abrasion tester, Model 5135 supplied by M/s. Polytech Instruments Pvt Ltd, Thane, since 5 years. The machine is working satisfactorily without any breakdown or trouble till date. The sales and after sales - service provided by Polytech Instruments is appreciated and satisfactory. This machine can be recommended to all who need to use for their purpose. As a public sector, we use this instrument for testing the coating materials used in the aerospace industry."
Hindustan Aeronautics Limited
Mr. Ramgopal Nakkana
Chemical Engineer