1. Zhuhai Yunzhou Intelligent Technology Co., Ltd., an unmanned boat manufacturer, submitted IPO application documents, and plans to raise15.5 million yuan through listing in science and technology innovation board. Its business scope includes unmanned boat (ship), its control system and communication system.
2. Tianhai Integrated Defense Equipment Technology Co., Ltd. (referred to as Tianhai Defense) was established on 200 1 and listed on Shenzhen Stock Exchange in 2009. It is the only comprehensive solution provider integrating ship design and construction in the industry.