Get any in arrangement with Zulu banker? (7)
I believe the answer is:
yangtze
'banker?' is the definition.
(Chinese river, something with banks)
'get any in arrangement with zulu' is the wordplay.
'in arrangement with' indicates an anagram (I've seen this in other clues).
'zulu' becomes 'Z' (phonetic alphabet: alpha, bravo, charlie etc.).
'get'+'any'='getany'
'getany' anagrammed with 'z' can make 'YANGTZE'.
(Other definitions for yangtze that I've seen before include "Longest river in China" , "Longest river of Asia" , "big river" , "River in China; get zany (anag.)" , "here (together with China Girl)?" .)