Group 1: Wastewater Resource Utilization - Wastewater resource utilization is a core business area, focusing on membrane technology iteration and process innovation [2] - The fifth generation of MBR membrane modules has been developed, with significant breakthroughs in structure and nitrogen removal processes [2] - The Meixi Lake wastewater treatment plant, with a design capacity of 250,000 tons/day, is a representative project, recognized as a national green low-carbon benchmark [2] Group 2: Seawater Desalination - The company is expanding into seawater desalination, previously a minor focus, with current technology matching international leaders [3] - The reverse osmosis membrane products achieve a desalination rate of 99.8%, with annual production capacity reaching 3 million square meters [3] - The Bohai New Area integrated seawater utilization project has a total investment exceeding 500 million yuan, aiming to become a new model for seawater desalination in Hebei Province [3] Group 3: Salt Lake Resource Utilization - Salt lake resource utilization is a new focus area, with the development of specialized adsorbents and integrated technologies [4] - The company has launched projects in Tibet and Qinghai, including a lithium extraction project using titanium-based adsorbents [4] - Future plans include expanding from salt lakes to industrial resource recovery, addressing various raw materials [4] Group 4: Biopharmaceutical Applications - The company has entered the biopharmaceutical sector, developing membranes for protein concentration and virus removal [5] - A professional team has been established, achieving breakthroughs in hollow fiber membrane design and manufacturing [5] - Initial applications include projects in CAR-T cell therapy and traditional Chinese medicine, with high recovery rates reported [5]