Contracting Of The Manufacturing And Installation Service Of Metal Beams, Self-Supporting Coverage And Spell Cover At All Costs For The Ioarr: Construction Of Coverage And Stands; In The (The) I.E. 40670 El Eden Fe Y Alegria 51 Of The District Of C - Sc Service Installation Of Self-Supporting Arch Type Coverage E=1.2Mm Inc Labor, Equipment And Crane For The Work: Construction Of Coverage And Standing In (La) I.E. 40670 El Eden Fe Y Alegria 51 Of The District Of Cerro Colorado, Province Of Arequipa, Department Of Arequipa. Cui 2685403