Our firm aims to operating faithfully, serving to all of our shoppers , and working in new technology and new machine regularly for Digital Pen Type Dissolved Hydrogen Meter, Soap Ph Tester, Ph Ppm Tester, High Precision ORP Meter,Inline Turbidity Sensor. Many years of work experience, we have realized the importance of providing good quality products and the best before-sales and after-sales services. The product will supply to all over the world, such as Europe, America, Australia,Nigeria, San Diego,Poland, Mauritius.Our factory covers an area of 12,000 square meters, and has a staff of 200 people, among which there are 5 technical executives. We are specialized in producing.We have rich experience in export. Welcome to contact us and your enquiry will be replied as soon as possible.