4 sentences

1. 他们在婚前签订了财产协议。

   tā​men zài hūn​qián qiān​dìng le cái​chǎn xié​yì.

   They signed a prenuptial agreement.

   Source: Dong Chinese Dictionary

2. 我们签订了一份房屋租赁合同。

   wǒ​men qiān​dìng le yī fèn fáng​wū zū​lìn hé​tong.

   We signed a housing lease agreement.

   Source: Dong Chinese Dictionary

3. 厂家和经销商之间签订了长期的供货合同。

   chǎng​jiā hé jīng​xiāo​shāng zhī​jiān qiān​dìng le cháng​qī de gōng​huò hé​tong.

   A long-term supply contract was signed between the manufacturer and the distributor.

   Source: Dong Chinese Dictionary

4. 我们刚刚与供应商签订了一份长期供货合同。

   wǒ​men gāng​gang yǔ gōng​yìng​shāng qiān​dìng le yī fèn cháng​qī gōng​huò hé​tong.

   We have just signed a long-term supply contract with the supplier.

   Source: Dong Chinese Dictionary