Shanghai Donghong Environmental Protection specializes in providing high quality Reverse Osmosis Membrane, Ultra Filtration Membrane and Nanofiltration Membrane to meet customers' needs for water treatment and environmental protection. The factory has a strict quality control system to ensure stable and reliable product quality. Our professional team is committed to continuously innovate and optimize our products to meet the changing needs of our customers. Shanghai Donghong Environmental Protection, your reliable partner, provides you with reliable solutions and quality services.