Sincerity Group coriolis mass flow meter pdf There is a trend that the products under Sincerity Group brand are well praised by customers in the market. Due to the high performance and competitive price, our products have attracted more and more new customers to us for cooperation. Their increasing popularity among customers also brings expanding the global customer base for us in return.rosemount ultrasonic flow meter,siemens ultrasonic flow meter clamp on,inline ultrasonic flow meter.