We rely upon strategic thinking, constant modernisation in all segments, technological advances and of course upon our employees that directly participate inside our success for Online Water Quality Ion Sensor/Probe, Free Residual Chlorine Meaning, Oxygen Microelectrode, American Pinpoint Orp Meter,Ph Plant Tester. All prices depend upon the quantity of your order; the more you order, the more economical the price is. We also offer good OEM service to many famous brands. The product will supply to all over the world, such as Europe, America, Australia,French, Cyprus,Botswana, Israel.We also have the strong ability of integration to supply our best service, and plan to build the warehouse in the different countries around the world, that will be more conveniently to service our customers.