2 sentences

1. 这些是该集团旗下的下属单位。

   zhè​xiē shì gāi jí​tuán qí​xià de xià​shǔ dān​wèi.

   These are subordinate units under the group's umbrella.

   Source: Dong Chinese Dictionary

2. 这家公司成功将旗下的老款汽车转型为电动车型。

   zhè jiā gōng​sī chéng​gōng jiāng qí​xià de lǎo kuǎn qì​chē zhuǎn​xíng wéi diàn​dòng chē​xíng.

   The company successfully transitioned its old car models into electric ones.

   Source: Dong Chinese Dictionary