港交所-恒天立信 二零一七年中期报告-20170906

(於百慕達註冊成立之有限公司)(股份代號:641)2017中期報告(Incorporated in Bermuda with limited liability)(Stock Code: 641)IN

腾讯文库港交所-恒天立信港交所-恒天立信 二零一七年中期报告-20170906