3 sentences

1. 这家分公司实行独立核算。

   zhè jiā fēn​gōng​sī shí​xíng dú​lì hé​suàn.

   This branch office practices independent accounting.

   Source: Dong Chinese Dictionary

2. 公司选派了一批技术骨干到海外分公司工作。

   gōng​sī xuǎn​pài le yī pī jì​shù gǔ​gàn dào hǎi​wài fēn​gōng​sī gōng​zuò.

   The company has sent a group of key technical staff to work in overseas branches.

   Source: Dong Chinese Dictionary

3. 我们在上海设立了分公司，专门负责整个南方地区的销售。

   wǒ​men zài Shàng​hǎi shè​lì le fēn​gōng​sī, zhuān​mén fù​zé zhěng​gè nán​fāng dì​qū de xiāo​shòu.

   We have established a branch office in Shanghai, specifically responsible for sales across the entire southern region.

   Source: Dong Chinese Dictionary