ZD Instrument Ltd.

ZD Instrument Ltd.(Taizhou Zhengda Scientific Education Instrument&Equipment Factory) is a specialized manufacturer of electro-chemistry and soil testing instruments. Our main products are pH Meters, Soil pH & Moisture Tester, Soil EC Tester, Soil Available N-P-K Tester, Conductivity Meters, "Nutra Wand®" Hydroponics Nutrient Tester, TDS, PPM, PPt, mS/cm, uS/cm Meters, EC, CF Check, Household and Seawater Salinity Tester, Continuous Reading pH/Conductivity/ mV/Temperature Monitors and pH Combined Electrodes, Water Cluster pH Composite Electrode, Dissolved Oxygen (DO) Electrodes, Conductivity and ORP Electrodes, etc. Bearing in our mind that our customers need most reliable instruments, we have always been doing our utmost to supply quality products in our years of history.With the efficient efforts of our R&D team, new products are coming out all the time.We have passed the ISO9001 quality management system certification in recent years and Obtained Private Technology Enterpri... [more]