Innovation, quality and reliability are the core values of our company. These principles today more than ever form the basis of our success as an internationally active mid-size company for Swimming Pool and SPA Water Quality Monitoring, Good Soil Ph Tester, Tds And Ph Tester, Digital Nitrate Nitrogen Sensor,Chemical Oxygen Demand COD Sensor RS485. We value your inquiry, For more details, please contact us, we will reply you ASAP! The product will supply to all over the world, such as Europe, America, Australia,Suriname, Munich,Ecuador, Georgia.Customer satisfaction is our first goal. Our mission is to pursue the superlative quality, making continual progress. We sincerely welcome you to make progress hand in hand with us, and construct a prosperous future together.