Truong Sa 02 submarine gradually formed: New ambition!
Mr. Nguyen Quoc Hoa - owner of mini submarine Truong Sa 01 and Hoang Sa shared many good news about his project of Truong Sa 02 mini submarine.China's ultrasound submarine runs to the US in 100 minutes
China has taken a step closer to the ambition to create an ultrasound submarine that could move from Shanghai to San Francisco in less than two hours.