The Kawaminami Shipyard in the Imari Harbour in the Saga prefecture of Japan. It was originally a glass factory that processed raw materials brought in from the Middle East by boat. Sometime during the Second Sino - Japanese War it was converted to a ship building industrial site and then to an ammunition creating site.
The last picture is the coordinates using Google Earth, Check it out yourself! 33°20’02.31”N 129°47’53.24”E.