Electrodialysis Device Hangzhou Lanran Tech stands as a global leader in the manufacturing of ionexchange membranes, with an impressive annual output of 850,000m². HZ Lanran® Electrodialysis Device Series Desktop ED experimental device EX-3BT Small test ED device 2040-20 ED/BMED experimental device EX-4S Membrane stack for ED system Pilot ED device AIO-416-250 Standard ED device AIO-416-500/750