5 sentences

1. 北京举办了一场大型国际博览会。

   Běi​jīng jǔ​bàn le yī cháng dà​xíng guó​jì bó​lǎn​huì.

   Beijing hosted a large international exposition.

   Source: Dong Chinese Dictionary

2. 许多知名厂商参加了这次博览会。

   xǔ​duō zhī​míng chǎng​shāng cān​jiā le zhè cì bó​lǎn​huì.

   Many well-known manufacturers participated in the expo.

   Source: Dong Chinese Dictionary

3. 我们公司承办了本届博览会的组织工作。

   wǒ​men gōng​sī chéng​bàn le běn jiè bó​lǎn​huì de zǔ​zhī gōng​zuò.

   Our company undertook the organization of this expo.

   Source: Dong Chinese Dictionary

4. 新款智能折叠手机在本次科技博览会上首次亮相。

   xīn​kuǎn zhì​néng zhé​dié shǒu​jī zài běn​cì kē​jì bó​lǎn​huì shàng shǒu​cì liàng​xiàng.

   The new smart folding phone made its debut at this technology expo.

   Source: Dong Chinese Dictionary

5. 我们的展台在这次博览会上吸引了大量的潜在客户。

   wǒ​men de zhǎn​tái zài zhè cì bó​lǎn​huì shàng xī​yǐn le dà​liàng de qián​zài kè​hù.

   Our booth at this expo attracted a large number of potential customers.

   Source: Dong Chinese Dictionary