Hiring Of The Work Execution Of The Project Called: "Construction Of Primary Collector, Secondary Collector And Household Sewerage Connection. La Rivera - District Of Huancayo - Province Of Huancayo - Department Of Junín" Cui N ° - Contracting Of Execution Of The Project Of The Project Called: "Construction Of Primary Collector, Secondary Collector And Home Connection Of Sewage Urb. La Rivera - District Of Huancayo - Province Of Huancayo - Junín "Cui N ° 2674512