Subject + 成立 + 了 + Object
The verb 成立 (chénglì) means 'to establish,' 'to set up,' or 'to found.' It is used when describing the creation of organizations, teams, or formal groups. It often appears with 了 to indicate that the establishment has been completed.
公司成立于二〇一〇年。
Gōngsī chénglì yú èr líng yī líng nián.
The company was established in 2010.
学校成立了一个新的社团。
Xuéxiào chénglì le yī gè xīn de shètuán.
The school established a new club.
警方已经成立专案组调查此案。
Jǐngfāng yǐjīng chénglì zhuān'àn zǔ diàochá cǐ àn.
The police have already set up a special task force to investigate this case.