Dalian Dayu Instruments Co.Ltd, established in 1996, is a professional Ultrasonic flow meter manufacturer with yearly 50,000 production capacity. We pay attention on the technology development, production ,and sales. YB-70 series ultrasonic flow / heat meter is in the lead position in the market with more than ten year experience. We pursue ÿ¯Cooperation , both winners ÿ¯ tenet , working together with our distributors ,agents , OEM maufacturer , co-development to improve Chinese water measurement . We carry out ÿ¯good performance , low price ÿ¯ sale strategy to make our users owe the best performance product quality with the reasonable price. In 2005 we developed intelligent Micro-power consumed ultrasonic water /heat meter . To water measurement , this is a revolutionary new gernaration product. Intelligent ultrasonic water meter not only has the normal type ecnomic feature ,but also conquer the normal type artificical ,low accuracy ,high pressure lost ,short life span fault. We have the cofidence to enter building heat and industry market. DaYU people like to make friends all over the world ..