协办

协办	xié bàn	to assist / to help sb do sth / to cooperate in doing sth
协	xié	to cooperate / to harmonize / to help / to assist / to join
办	bàn	to take care of (a matter); to deal with (a task, procedure etc); to organize (an event) / to establish; to set up; to manage; to run (an enterprise) / (law) to handle; to investigate; to prosecute (a case or suspect) / (bound form) office (as in 招办, admissions office) (abbr. for 办公室)