Our firm since its inception, normally regards item top quality as company life, constantly make improvements to generation technology, improve product excellent and repeatedly strengthen organization total good quality management, in strict accordance with the national standard ISO 9001:2000 for Online Ph Monitoring, Digital Residual Chlorine Controller , Concrete Resistivity Meter , Conductivity Transmitter ,Conductivity Transmitter With 4-20ma . We sincerely welcome friends to negotiate business and start cooperation with us. We hope to join hands with friends in different industries to create a brilliant future. The product will supply to all over the world, such as Europe, America, Australia,Czech, Poland,Angola, kazakhstan.We have to continue to uphold the "quality, comprehensive, efficient" business philosophy of "honest, responsible, innovative"spirit of service, abide by the contract and abide by reputation, first-class products and improve service welcome overseas customers patrons.