Additive N ° 001/Dc/Chc Sa/Hilton/Cipm/2025 Of Sept 2025 Relating To Quotation Request N ° 002/Dc/Chc Sa/Hilton/Cipm/2025 Of August 25, 2025 For The Acquisition Of Air Conditioning Equipment For The Kitchen And The Upgrading Of Coolers Of The Hilton Yaounde