HAO • SEC Gov • Oct 29, 2024 HAO : 20-F : Periodic Financial Reports Download Exhibits Related Filings from HAO 20-F EX-11.2 EX-12.1 EX-12.2 EX-13.1 EX-13.2 EX-15.1 EX-15.2 EX-2.5 EX-97.1