Object: Electronic Auction - Hiring A Company Specializing In The Provision Of Services, On The Premises Of The Nuclear Technology Development Center - Cnen/Cdtn, For The Conservation, Hygiene And Cleaning Of Facilities, Furniture, Equipment, Utensils, Including Those Used In Laboratories, With The Provision Of Labor On An Exclusive Dedication Basis, In Accordance With The Conditions, Quantities And Requirements Established In The Notice And Its Annexes