Tender For Purchase Of Prestressed Concrete Piles Solid Rectangular Shape, Size 0.30 X 0.30 M., Length 14 Meters, Tis 396-2006, Complete With Hammering And Other Items, Total Of 3 Items, For Water Gate Work At Ban Laem Sai, Bang Taen Subdistrict, Ban Sang District. Prachinburi Province By Means Of Electronic Bidding