This is a partial list of aircraft China purchased prior to 1937:
Rumpler Taube
Caudron G.3
Handley Page Type O
Royal Aircraft Factory F.E.2
Avro 504, Vickers Vimy
Breguet 14
Breguet 273
Curtiss Model D
Curtiss HS-2L
Aeromarine 39
Curtiss JN-4
Polikarpov R-1
Caudron C.59
Schreck FBA_17
Schreck FBA-19
Raab-Katzenstein Pelikan
Fairchild KR-34CA
Focke Wulf S-24
Focke-Wulf Fw 44
de Havilland Gipsy Moth
Junkers F.13
Junkers W 33
Junkers W 34
Junkers A 20
Junkers A 35, Junkers K-47
Junkers Ju 52
Junkers Ju 86
Junkers Ju-160
Junkers K-53
Ryan Brougham
Potez 25
Potez 33
Blackburn Lincock
WACO 240-A
For aircraft in Chinese service during the Second Sino-Japanese War, see Development of Chinese Nationalist air force (1937-1945)