3 sentences

1. 我们无法按时供货。

   wǒ​men wú​fǎ àn​shí gōng​huò.

   We are unable to supply the goods on time.

   Source: Dong Chinese Dictionary

2. 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

3. 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