Group 1 - The company has a subsidiary, Julong Composite Materials, focused on the research and production of advanced composite materials [2] - The main business of the subsidiary includes carbon fiber composite structural components and assembly of complete machines [2] - Currently, the primary application of the company's products is in the field of drones [2]

Group 1 - The company issued 2.185 million convertible bonds on July 26, 2023, raising a net amount of approximately RMB 211.75 million [1] - The convertible bonds are listed on the Shenzhen Stock Exchange under the name "聚隆转债" with a code of "123209" starting from August 17, 2023, and have a maturity of six years [2] - The coupon rates for the convertible bonds are structured to increase from 0.3% in the first year to 3.0% in the sixth year [2] Group 2 - The initial conversion price for the bonds is set at RMB 18.27 per share, while the current conversion price is RMB 17.77 per share [2] - The trading price of the convertible bonds experienced a significant fluctuation, with a cumulative closing price increase exceeding 30% over three consecutive trading days [2][3] - The company confirmed that there are no undisclosed matters that should have been reported according to the Shenzhen Stock Exchange rules [4]