Core Viewpoint - The company, Heyuan Gas (002971.SZ), has recently obtained a patent for a new process and device for preparing ultra-pure carbonyl sulfide from industrial carbonyl sulfide, which aims to enhance the purity and efficiency of production [1] Group 1: Patent Details - The patent is titled "A Process and Device for Preparing Ultra-Pure Carbonyl Sulfide from Industrial Carbonyl Sulfide" with patent number ZL 2023 1 0131661.7 [1] - The process involves pre-treatment to remove metal ions and water, followed by multi-stage distillation to improve purity [1] - The end of the multi-stage distillation process captures light components to avoid difficulties in removing metal ions, addressing the shortcomings of existing technologies regarding product purity and distillation effectiveness [1]

Group 1: Event Overview - The third China (Chengdu) International Hydrogen Energy, Hydrogen Refueling Station, and Fuel Cell Equipment and Technology Exhibition, along with the 26th China (Chengdu) International Gas Equipment, Technology, and Application Exhibition, is being held for three days at the Chengdu Century City New International Convention and Exhibition Center, attracting over 3,000 industry elites from across the country [1] Group 2: Industrial Gas Market Insights - The industrial gas market in China is valued at approximately 220 billion yuan, with an average annual compound growth rate of around 10% from 2019 to 2023, and the share of gases used in lithium batteries, medical, electronics, and food sectors is steadily increasing [2] - The market for food-grade and medical-grade gases is becoming more specialized and significant, with companies like Sichuan Qiaoyuan Gas Co., Ltd. focusing on liquid nitrogen for food preservation and medical oxygen [2] Group 3: Innovations in Medical Oxygen Systems - The medical oxygen system exhibition area is a highlight, showcasing various innovative devices, including small oxygen machines for pet hospitals, which are more cost-effective compared to larger models [3] - The fifth-generation cryogenic air separation molecular sieve from Luoyang Jianlong Micro-Nano New Materials Co., Ltd. significantly improves performance and reduces energy consumption, potentially saving nearly 1 million yuan annually [3] Group 4: Hydrogen Energy Development - Sichuan is actively promoting the development and application of the hydrogen energy industry chain, with companies like Sichuan Shudao Equipment Technology Co., Ltd. focusing on gas equipment investment and hydrogen energy [4] - The company has implemented hydrogen energy applications across various sectors, including engineering construction, railway operations, and logistics, supported by local policies such as free highway access for hydrogen vehicles until 2028 [5] - Chengdu Yihua Tong Power Technology Co., Ltd. is expanding hydrogen energy applications beyond buses to include drones, ships, rail transport, hydrogen metallurgy, and energy storage, indicating a trend towards diversified hydrogen energy utilization [5]