King Lee Technologies provides key components and specialty chemicals for reverse osmosis (RO) and nanofiltration (NF) membranes. The company also provides services in membrane cleaning and filtration system management, manufacturing specialty antiscalants, antifoulants, sanitising and preservative agents, microbiological control chemistry and coagulants. The company partners with major manufacturers to provide total solutions for clients, including RO/NF membranes from Toray, Hydranautics and Dow Filmtec.