Tender for the purchase of coarse sand and small rocks, size 3/4 inches, totaling 2 items, for the renovation of the water system of the Lampao water delivery and maintenance project. Water Transmission and Maintenance Area 3, Phase 1, Bua Ban Subdistrict, Yang Talat District, Kalasin Province (SorJor 13) No. EB.(Soi)/06/2565 by electronic tendering method (e-bidding)(Project number:65097519181) (EXPIRED)