More Hau Giang Materials Joint Stock Co news Hau Giang Materials Joint Stock CoUPCOM: HAM HAM: Nghị quyết Hội đồng quản trị May 12, 2025 at 9:41 AM UTC · Issued by Hau Giang Materials Joint Stock Co As issuedPlain English Hau Giang Materials Joint Stock Co (HAM)View Attachment Company analysis