Chempure Technologies Private Limited offers Electro De-ionized - EDI System. Chempure Technologies Private Limited is an ISO 9001 accredited company. The Company also offers water and waste treatment equipments and water treatment chemicals for various industries. The Electro De-ionized - EDI System helps in removing the ions from water and so finds an application in residential, commercial, and industrial uses. The Electro De-ionized - EDI System is made and designed by combining two well-established water purification technologies electro dialysis and ion-exchange resin de-ionization.