Correct

联办

/ lián bàn / 
Strokes

Example

As a Verb

jointly organize/sponsor; co-sponsor; jointly host

1
Liánbàn
联办
zhǎnlǎn
展览

jointly hold an exhibition

As a Verb

jointly manage/run

2
Liánbàn
联办
jiǔchǎng
酒厂
  
/
xuéxiào
学校

jointly run a distillery/school