Plan For Selecting Contractors To Implement Bidding Packages In The Project Preparation Phase To Prepare Technical And Economic Reports For The Project: Renovating And Repairing Facilities At Chuong Duong Kindergarten, Dong Tien Hung Commune; Item: Replace Corrugated Iron Roof, Repair Classroom Floor + Walls, Repair Toilet Area Of ​​2-Story 8-Classroom Classroom And Make Corrugated Iron Roof Of Food Processing Area