Supply of Construction Materials for the Kangyan Kariz Check Dam, Poza Check Dam, Bazar Sangin Gabion Protection Wall, Bazar Sangin Sarkila Gabion Protection Wall, and Barik Joy Gabion Protection Wall Projects in Sangin and Kajaki Districts, Helmand Province, Afghanistan. Note for Vendors Outside Afghanistan: This RFQ is open to vendors that possess a valid business license and are legally registered to operate in Afghanistan. Failure to comply with this requirement will result in the quotation being rejected during the preliminary evaluation stage.