Our aim would be to fulfill our shoppers by offering golden company, very good value and good quality for Wholesale Conductivity TDS Sensor with RS485 4-20mA, Water Monitoring System, Home Water Monitoring System, Water Usage Monitoring System,COD Monitor. Quality is factory's life , Focus on customers' demand is the source of company survival and development, We adhere to honesty and good faith working attitude, looking forward to your coming ! The product will supply to all over the world, such as Europe, America, Australia,Russia, Hyderabad,Namibia, Dominica.If you give us a list of merchandise you are interested in, along with makes and models, we can send you quotations. Remember to email us directly. Our goal is to establish long-term and mutually profitable business relationships with domestic and overseas clients. We look forward to receiving your reply soon.