SiteLab is a registered US trademark by flow measurement professionals with more than 37 years of experience in flow measurement and flow standards, 34 years of which have been in the ultrasonic flow measurement field. We are pioneers in the ultrasonic flow measurement industry and possess many years of experience valuable to our customers. We are innovative and on the cutting edge of ultrasonic technology with some revolutionary measurement techniques being introduced that will bring very high precision and true real time measurement.In order to popularize our goods, if you place a trial order, we will offer you a special discount for sample.If you have any questions, do not hesitate to contact us.www.sitelab.us.com Tel: 0086-0755-2674 5999Fax: 0086-0755-2674 5333