Core Insights - The Jiangmen Underground Neutrino Observatory (JUNO) has successfully completed its construction and released its first physical results, marking a significant milestone in neutrino research [1] - The world's largest acrylic sphere, a crucial component of the neutrino detector, is being developed and manufactured by Tancheng (Jiangsu) Material Technology Co., Ltd [1] - The detector is located 700 meters underground in Jiangmen, Guangdong, and can detect neutrinos produced 53 kilometers away with unprecedented precision [1] Company Developments - Tancheng Technology's bid for the acrylic sphere project was only one-sixth of the price offered by foreign competitors, showcasing its competitive advantage [2] - The production process for the acrylic sphere panels underwent rigorous evaluation, with the first batch passing quality checks in June 2022, followed by installation in July 2022 [2] - The technology developed for the neutrino detector has been applied to other projects, including seamless splicing for oceanarium tunnels, indicating the versatility of the company's innovations [2]

Core Insights - The Jiangmen Underground Neutrino Observatory (JUNO) has successfully completed the infusion of 20,000 tons of liquid scintillator and has officially begun data collection, marking it as the first large-scale next-generation neutrino experiment facility in the world [1] Company Overview - Jiangsu Tongchen Group aims to be the most competitive acrylic comprehensive supplier globally, with its subsidiary Tongchen Technology focusing on the research, design, and manufacturing of cast acrylic sheets [2] - The company has established multiple standards, including one international standard and four national standards, and has a strong production capacity of several tens of thousands of tons of cast acrylic sheets annually [2] Technological Achievements - The acrylic sphere used in the JUNO project is a world record holder, with a diameter of 35.4 meters, constructed from 263 pieces of 120mm thick acrylic panels [1][4] - The manufacturing process required overcoming significant challenges, including maintaining a light transmittance loss of less than 2% during high-temperature processing [5] - The project involved extensive testing and collaboration with renowned institutions, leading to the development of a specific formula for the acrylic material used in the sphere [7] Project Timeline and Milestones - The project timeline spans from 2015, when research and development began, to 2024, when successful infusion is expected to be completed, showcasing a decade of effort [8] - The acrylic panels underwent a rigorous production process, with the first batch passing quality checks in June 2022, followed by installation in July 2022 [6] Industry Impact - The successful completion of the JUNO project not only demonstrates the company's capabilities but also signifies a breakthrough in the high-end acrylic market, previously dominated by foreign brands [3] - The technology developed for the JUNO project has been applied to other projects, including seamless splicing in marine tunnels and the Jiangsu Garden Expo Park [8]