RO Membrane Filtration stands at the absolute forefront of modern water purification technology. At Hangzhou Haina Environmental Protection Technology Co., Ltd., we specialize in the comprehensive research, development, and advanced manufacturing of high-performance reverse osmosis and nanofiltration membranes. Our state-of-the-art production facility, completed in 2021, spans a massive 36,000 square meters and is strategically located near the esteemed UNESCO World Heritage site, Liangzhu Ancient City Site, underlining our enduring corporate commitment to excellence and innovation. Our membranes are rigorously tested and certified to meet stringent international standards, including ISO 9001, ISO 14001, NSF, RoHS, and REACH. We proudly serve a vast global market, exporting our versatile products to numerous countries for applications ranging from large-scale seawater desalination to specialized industrial processes.