Group 1 - The first mini robotic arm for shipbuilding in China was showcased, demonstrating advanced welding technology and meeting green construction requirements [2] - The mini robotic arm weighs less than 15 kg and can operate in hard-to-reach areas, enhancing efficiency and product quality in shipbuilding [2] Group 2 - A global breakthrough was achieved by a research team at Westlake University, successfully solving the challenge of close-range flight coordination between two drones [4] - The drones can perform precise operations, such as grabbing tools, with an accuracy of sub-centimeter [4] Group 3 - The first unit of China's largest gas-fired power plant, the Zhejiang Anji Power Plant, was officially put into operation, achieving a high efficiency of 64.15% [6][7] - This power plant is designed to respond accurately to peak and valley electricity demand, contributing to the stability of the East China power grid [7] Group 4 - The first offshore rocket recovery platform in China, named "Navigator," was successfully delivered, designed to create a stable and precise rocket recovery system [9] - The platform faces several technical challenges, including high-precision motion coordination and robust structural design to handle concentrated loads [11]

Core Insights - The 2025 China International Maritime Exhibition is taking place in Shanghai, showcasing the latest shipbuilding products and upgraded shipbuilding equipment, marking a significant event in the maritime industry [1] Group 1: Technological Advancements - A mini robotic arm, designed for shipbuilding welding, was demonstrated at the exhibition, highlighting its agile welding technology [1] - This robotic arm weighs less than 15 kilograms and is capable of performing welding tasks in hard-to-reach areas, aligning with current green construction requirements for low energy consumption [1] - The robotic arm has been widely adopted in domestic shipbuilding enterprises, enhancing efficiency and increasing product quality [1] Group 2: Industry Impact - The robotic arm addresses labor intensity issues in challenging environments, providing stable and reliable quality in welding operations [1] - Future developments in robotic arms are expected to focus on multimodal capabilities, fostering a user-friendly human-machine collaboration in production [1]