* Electronic Bidding * Object: Contracting Of A Company For Future And Eventual Acquisition Of The Chemical Product Polyaluminum Chloride - Pac 9 To 11% Intended For Water Treatment To Serve The Dmaae/Of Water Treatment Plant Eta For 12 Twelve Months, According To The Conditions, Quantities And Requirements Established In Annex I - Terms Of Reference/Specifications Of The Object Of The Notice And Its Annexes.