Chinese government ordered building war junks according to the Dutch newspaper Nieuw Amsterdamsch handels- en effectible dated 2 December 1857

An item reported that the Chinese government sent a large of number of ships carpenters to Fat-San to built there 300 war junks. (1)

Note
1. Probably as a result of the Second Opium War 8 October 1856-24 October 1860 between Qing China and the allies United Kingdom and France. The USA supported the Allies military.