一箭7星，圆满成功

Core Viewpoint - The successful launch of the Jielong-3 rocket marks a significant achievement in China's space capabilities, demonstrating the effectiveness of the "Dongfang Spaceport" ship and the growing demand for satellite launches in the country [1][3][4] Group 1: Launch Details - On February 12, the Jielong-3 rocket successfully launched seven satellites, including the Pakistan PRSC-EO2 and several others, using a maritime launch method [1] - This launch is the ninth for the Jielong-3 rocket and its third long-distance mission, bringing the total number of satellites launched by this rocket to 83 [3] Group 2: Dongfang Spaceport Ship - The "Dongfang Spaceport" ship, measuring 162.5 meters in length and 40 meters in width, has a range of 10,000 nautical miles and a payload capacity of 22,000 tons [3] - This ship is the first specialized self-propelled maritime satellite launch vessel in China, designed to support various solid and small liquid rocket launches [3] Group 3: Industry Growth and Investment - The Haiyang Dongfang Spaceport has successfully supported 23 maritime launch missions, sending a total of 144 satellites into orbit and attracting over 32 industrial projects with investments exceeding 32.2 billion yuan [4] - The aerospace industry in the region has seen a cumulative output value surpassing 5 billion yuan, indicating strong growth momentum [4]