665 Fifth Avenue, New York City, .Paris, Shanghai, London (advertisement, Burlington Magazine monograph, Chinese Art, 1925); 5 East 57th Street (1946);
26 Place St Georges, Paris
Established by Chang Jen-Chieh in 1906, as a company dealing in jadeite. One of the major Parisian dealers in the pre-war period who was regularly visited by the Bluett brothers, and was buying via their agent K.K. Chow, whose address in the 1920s was: 68 Peace Terrace, Avenue Joffre, Shanghai [Bluett notes].
Lent items to The Royal Academy Exhibition 1935-6.