笔者就职于成都航空仪表公司经理部，并兼任所属子公司董事。

And pluralizes as director of its subsidiary company. Chengdu Aero-Safety Corp. Is a subsidiary company of CAIC.

youdao

笔者就职于成都航空仪表公司经理部，并兼任所属子公司董事。

And pluralizes as director of its subsidiary company. Chengdu Aero-Safety Corp. Is a subsidiary company of CAIC.

youdao