Magnesium Sulphate Factories
         1. Plot No. 14F SIDCO Industerial Estate, Mettur.

         2. Panthapuli, Solasseri, Rajapalayam.
Pulvarizer 32 inch( upto 200 mesh)
Beatter box and Screen (upto 80 mesh)  
         1. Anna Salai, Chinnathirupathi, Salem - 636008.