Tender For Purchase Of Ready-Mixed Concrete, Cylindrical Shape, 210 Ksc. (Tis 213-2017), 1 Item, Huai Lua Weir Project 2, Wang Perm Subdistrict, Si Chom District, Khon Kaen Province. Construction Project Irrigation Office 6, Khon Kaen, By Means Of Electronic Bidding. (EXPIRED)