Wave Cyber (Shanghai) Co., Ltd. (688718.SS) manufactures and sells high-performance roll-type separation membranes and related professional supporting equipment for water treatment applications. Founded in 2001 and headquartered at No. 899, Songying Road, Qingpu District, Shanghai, China, the company produces reverse osmosis (RO) membranes under the Ospura brand, nanofiltration (NF) membranes, lithium extraction systems, composite pressure tanks, fiberglass-reinforced plastic pressure tanks, membrane pressure vessels (MPV), brine tanks, and cabinets; these products serve residential, commercial, industrial, and municipal water purification segments including material concentration, separation, seawater desalination, and saltwater lithium extraction. Wave Cyber distributes its offerings primarily within China and to overseas markets, holding certifications such as NSF/ANSI/CAN 61 for compliance in health effects criteria. In recent developments, a shareholder announced plans in December 2025 to unload up to a 3.0% stake in the company, while 2024 financials reflected revenue of CNY 375 million and net income attributable to the parent of CNY 37.77 million amid a strategic focus on accessory customer satisfaction and titles like Quality Supplier from leading saltwater lithium extraction enterprises.