港交所-元亨燃气 2021中期报告-20201221

2021INTERIM REPORT中 期 報 告www.yuanhenggas.com(Incorporated in Bermuda with limited liability)(於百慕達註冊成

腾讯文库港交所-元亨燃气港交所-元亨燃气 2021中期报告-20201221