港交所-天德化工 二零一九年中期报告-20190916

(於開曼群島註冊成立之有限公司) (股份代號:609)(incorporated in the Cayman Islands with limited liability) (Stock Code:

腾讯文库港交所-天德化工港交所-天德化工 二零一九年中期报告-20190916