Sound Global Ltd. operates as an investment holding company, delivering comprehensive solutions for water and wastewater treatment across the People's Republic of China, Singapore, and Bangladesh. The company's operations are divided into three primary segments: complete project execution and associated services, specialized equipment manufacturing, and the management and maintenance of water supply and wastewater processing infrastructure. The firm is responsible for the entire lifecycle of water and wastewater treatment facilities, encompassing their design, construction, ongoing operation, and upkeep.