OK Water System Company manufactures DEF Making Machine since 2016 in which different facility based plants are made for Def processing including DEF semi automatic plant and def fully automatic plant in which DEF production can be speeded up. In which the DEF can be produced in an automatic plant with less manpower, thereby reducing the production cost of the DEF. OK Water System A def processing plant is constructed using advanced technology equipment which reduces maintenance. OK water system is firstly the water sample is taken from the place where the plant for the depot is to be installed and the sample analysis report is made and on that report the design of the plant is decided so that the plant can run better and the maintenance in the depot plant is less. May come less