Good quality comes 1st; assistance is foremost; business enterprise is cooperation" is our business enterprise philosophy which is regularly observed and pursued by our company for Multiparameter Water Quality Meter, COD Tester, Ph Tester Cena, Conductivity TDS Sensor with RS485 4-20mA,Chlorine Sensor Electrode. We are highly aware of quality, and have the certification ISO/TS16949:2009. We are dedicated to supply you high quality products with reasonable price. The product will supply to all over the world, such as Europe, America, Australia,Mali, Seattle,India, South Korea.We have got constantly insisted on the evolution of solutions, spent good funds and human resource in technological upgrading, and facilitate production improvement, meeting the wants of prospects from all countries and regions.