Innovation, excellent and reliability are the core values of our business. These principles today extra than ever form the basis of our success as an internationally active mid-size company for professional ph meter, Water Proof pH Tester Meter Pen, Conductivity TDS Sensor with RS485 4-20mA, Residual Chlorine Meter Tester,Gravity Analog Tds Sensor. Our Lab now is "National Lab of diesel engine turbo technology " , and we own a professional R&D team and complete testing facility. The product will supply to all over the world, such as Europe, America, Australia,Wellington, Bolivia,Estonia, Mecca.We've got a dedicated and aggressive sales team, and many branches, catering to our customers. We are looking for long-term business partnerships, and ensure our suppliers that they will absolutely benefit in both short and long run.