Xue Jianqiang said: "100% sure." Of course, since the 1970s, China has organized many salvage operations for the Awa Maru, spending a lot of effort but only salvaging some materials such as rubber and tin ingots. as for gold, there isn't even a gram, so it's a waste of effort. "The Japanese are cunning," he said. "The gold and jewelry they captured from Southeast Asia would never have been transported back on a transport ship with such a clear target. Submarine transport is the best way".