The China Railways SL3 class steam locomotive was a class of 4-6-2 passenger steam locomotives operated by the China Railway. They were originally built for the South Manchuria Railway, the Manchukuo National Railway and the North China Transportation Company by several Japanese manufacturers between 1934 and 1940. They were designed in 1933 based on the design of the first Pashisa class locomotives ; the first order was placed by Mantetsu in March of that year.

Kisha Seizo Co., Ltd. was a Japanese manufacturer of railway rolling stock that existed from 1896 to 1972.1896: Established by Masaru Inoue as the Kisha Seizo Joint Stock Company . 1899: Factory opened in Osaka. 1901: Merged with the Hiraoka Factory , a coach and car maker in Tokyo. The two plants were reorganized as the Osaka Head Office and the Tokyo Branch. 1912: Becomes Kisha Seizo Co., Ltd. (汽車製造株式会社) after corporate restructuring. 1936: Head office moved to Tokyo; Osaka Head Office becomes Osaka Branch. 1944: The two branches (factories) renamed Osaka Works and Tokyo Works respectively. 1968: Construction of railway wagon factory in Utsunomiya. 1972: Merged with Kawasaki Heavy Industries.