Meaning of chéng jiāo:
chéng jiāo
成交
Verb
to complete a contract; to reach a deal
Tāmen zhōngyú bǎ zhè bǐ jiāoyì chéngjiāo le.
他们终于把这笔交易成交了。
They finally closed the deal.
Jīngguò cháng shíjiān de tánpàn, tāmen zhōngyú dáchéng le xiéyì bìng chéngjiāo.
经过长时间的谈判,他们终于达成了协议并成交。
After prolonged negotiations, they finally reached an agreement and made a deal.