Our development depends on the advanced equipment, excellent talents and continuously strengthened technology forces for Digital Sensor Residual Chlorine, Online Monitoring Residual Chlorine , Tds Controller Rs485 , Ro Microcomputer Controller ,Inline Ph Monitoring . We are glad that we are steadily growing with the active and long term support of our satisfied customers! The product will supply to all over the world, such as Europe, America, Australia,Sierra Leone, Casablanca,Sheffield, America.Satisfaction and good credit to every customer is our priority. We focus on every detail of order processing for customers till they have received safe and sound solutions with good logistics service and economical cost. Depending on this, our solutions are sold very well in the countries in Africa, the Mid-East and Southeast Asia.