Japan still fabricating large quantities of ammunition according to the Dutch magazine Marineblad dated 1907-1908 dated no.5

An item referred to the Mitteilungen aus dem Giebiete des Seewesens reporting that after the peace treaty between Japan and Russia was signed (1), was the ammunition production in Japan not decreased. At Tokyo were 3 large arm plants with 7.316 labourers excluded 1.027 men active, 2 more arm plants were being built, the gun factory at Osaka considerable enlarged and four other gunpowder and projectiles plants increased.