We rely upon strategic thinking, constant modernisation in all segments, technological advances and of course upon our employees that directly participate in our success for Highly Accurate Self-Cleaning BOD Sensor, Digital Ammonium Nitrogen Sensor Electrode, Free Chlorine And Residual Chlorine, Quadrupole Graphite Conductivity Sensor,Online Do Meter. We've been prepared to cooperate with company friends from at your home and overseas and produce a wonderful future with each other. The product will supply to all over the world, such as Europe, America, Australia,Accra, Naples,Ukraine, Ghana.We integrate design, manufacture and export together with more than 100 skillful workers, strict quality controlling system and experienced technology.We keep long term business relationships with wholesaler and distributors form more than 50 countries, such as USA, UK, Canada, Europe and Africa etc.