During World War II, were there any parts of the Japanese overseas empire that was capable of local re-supply?

Upvote:0

According to this source (pp/ 13-15), Japan relied somewhat on small pig iron plants for "local" operations. In 1943, some 111, 000 tons of iron ore were produced in such plants, of which about 30,000 tons each were produced in Japan, Manchuria/North Chna, and Korea. Much smaller amounts were produced in Formosa, and centralChina. (This was a small fraction of the 7.8 million tons of steel Japan produced that year.)

From this, I conclude that at least Manchuria and Korea, and to a lesser extent Formosa, were capable of local resupply of military hardware.

To put this in perspective, (per page 36) total 1942 planned capacity in iron ore broke down as follows: Japan-Korea 7.7 million tons, Manchuria 4.8 million tons, China 1.0 million tons, out of a total of 13.5 million tons.

Upvote:5

Manchukuo would have been fully self-sufficient, at least for small arms.

Located within this puppet state was the Mukden Arsenal, which produced an eclectic mix of arms including rifles like the Arisaka 99, various machine guns, light and medium artillery, a majority of Japan's artillery shells, grenades, bayonets and speed-loaders. Manchukuo was also home to the behemoth Mantetsu or Southern Manchuria Railway Company, and Showa Steel Works, one of the largest in the world and by the end of the war Japan's largest by far.

Apart from that, Korea could have produced her own small arms as well. Jinsen Arsenal in Incheon produced Arisaka 99s too.

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