... used to pirify the raw water to pure water reverse osmosis water purifier ,reverse osmosis system,Reverse Osmosis system,filter,water filter,Water treatment machineThe water pump for ... from MR TAO CHEMICAL CO. in America.It is equipped with a full set of clean unit.It has features of ... 250us/cm, the quality of the water treated can meet with the standard of national pure water.It is the most ...