Contracting Of Consulting Consulting For The Preparation Of The Technical File Of The Balance Of Construction: "Improvement And Expansion Of The Drinking Water And Sewer Service Of The City Of Santo Toribio, District Of Santo Toribio, Province Of Huaylas - Contracting Of Consulting Consulting For The Preparation Of The File Technical Balance Of Work: "Improvement And Expansion Of The Drinking Water And Sewer Service Of The City Of Santo Toribio, District Of Santo Toribio, Province Of Huaylas - Ancash" With Unique Investment Code N° 2239163