RO-I reverse osmosis is made up of pre-process part, 1st reverse osmosis and ozone process and so on, apply to unit structure. It is advantageous for the transportation,the installation and the adjustment, occupying a land area slightly, installing fast, appearance is beautiful, operation and maintain is convenient, the material of the equipments pipeline apply to SUS304 or UPVC, main parts (film, pump, meter, control system and so on provide us with famous and specialized company, the function of machine is stable and reliable.