ADD VALUE FLOW.ADD VALUE FLOW is a high-tech enterprise located in Qingdao Bonded Port Area, specializing in the R&D, production, and sales of fluid metering products. The company's core offerings include its independently developed Coriolis mass flow meters and online vibrating tube liquid density meters, alongside the ECH series of screw rotor flow meters. Equipped with advanced facilities and a comprehensive quality control system, its products are renowned for stability and precision, having obtained multiple international management system certifications including ISO9001. The company's service network spans nationwide, with products extensively deployed in critical applications such as automated quantitative loading systems and chemical process control for major enterprises including Sinopec and PetroChina. Its reliable performance has earned widespread market acclaim.