Group 1: Sound Pen Technology - The company Oubino Biotechnology is showcasing its self-developed single-cell sorting system, Soundpen CB, at the upcoming Shanghai International Technology Import and Export Fair [2] - The Soundpen CB utilizes acoustic tweezers technology to separate cell suspensions into individual cells, which is crucial for applications in biomedicine, tissue engineering, and synthetic biology [2] - The system achieves a single-cell rate and viability of 90%, significantly improving the single-cell rate by 5 to 6 times compared to traditional dilution methods [2][3] Group 2: Cost Efficiency and Innovation - Oubino has reduced production costs through meticulous control of raw materials and manufacturing processes, offering products at prices significantly lower than competitors, with consumables priced at only one-third of competitors' prices [3] - The company has applied for over 20 invention patents covering core technologies such as acoustic manipulation and cell enrichment, and has established deep collaborations with top research institutions globally [3] Group 3: Lithium Battery Production - Micronano (Shanghai) Industrial Intelligent Technology Co., Ltd. is addressing challenges in lithium battery production with over 170 patented technologies, focusing on vacuum automation and intelligent equipment [4] - The company will present two key devices at the fair: a lithium electrode sheet forming machine and a desktop semi-automatic stacking machine, both designed to enhance the quality and consistency of lithium battery components [4] - Micronano has successfully developed experimental equipment for solid-state batteries and is collaborating with major companies like LG, CATL, BYD, and Volkswagen, while also expanding its operations internationally [5]