Being supported by an innovative and experienced IT team, we could present technical support on pre-sales & after-sales service for Combination pH Sensor for pH Meter, Tds Ph Tester, Nitrite ion Electrode, MLSS Tester Meter,Dissolved Oxygen Sensor for Biological Fermentation. Our products have exported to North America, Europe, Japan, Korea, Australia, New Zealand, Russia and other countries. Looking forward to build up a good and long term cooperation with you in coming future! The product will supply to all over the world, such as Europe, America, Australia,Italy, Estonia,Grenada, St. Petersburg.Our domestic website's generated over 50, 000 purchasing orders every year and quite successful for internet shopping in Japan. We would be happy to have an opportunity to do business with your company. Looking forward to receiving your message !