ADD VALUE FLOW.ADD VALUE FLOW, located in Qingdao Bonded Port Area, is a high-tech enterprise integrating R&D, production, sales, and service. Since its establishment, Qingdao Aowei has consistently focused on the development and manufacturing of fluid measurement products, independently developing two major product series: Coriolis mass flow meters and online vibrating tube liquid density meters. The company possesses advanced equipment and has established comprehensive production and inspection processes. It has successfully obtained ISO 9001 Quality Management System, ISO 14001 Environmental Management System, and ISO 45001 Occupational Health and Safety Management System certifications. Our products are distributed nationwide and widely applied in various scenarios such as automated quantitative loading systems for Sinopec, PetroChina, and major refineries, as well as chemical process quality control. Our stable and precise fluid measurement services have earned consistent praise from customers. Key products include: K Series Mass Flow Meters, KDM Online Vibrating Tube Liquid Density Meters, and ECH Series Screw Rotor Flow Meters.