Hiring For The Construction Of Water Loss Control Work (100% Pwa Income) Fiscal Year 2023, Improvement Of Water Distribution Pipes, Sri Songkhram Highway Section - Sri Songkhram Vocational College Si Songkhram Subdistrict Si Songkhram District Nakhon Phanom Province Provincial Waterworks Authority, Sri Songkhram Branch (Server) By Means Of Electronic Bidding (E-Bidding) (EXPIRED)