add value flow

Qingdao Add Value Flow Metering Co.,Ltd. is a high-tech enterprise integrating R & D, production, sales and service. Since its establishment, Add Value has independently developed two series of products including Coriolis Mass Flow Meters and Online Vibrating Tube Liquid Density Meter, and have obtained national invention patents. The company has advanced equipment, established a complete production inspection process, and certified by ISO9001 and ISO14001. Currently, Add Value products are widely used in various occasions such as quantitative loading automation and chemical process quality control in Sinopec, Petro China and many major refineries. Stable and accurate fluid metering services have won unanimous praise from customers.

Qingdao Add Value is committed to innovation, with the business philosophy of "Stable performance creates excellent quality", focusing on the development of core competitiveness, and the original core technology perfectly solves the problem of zero drift, effectively ensuring the long-term stable operation of products.

We aspire to be your trusted supplier!


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Qualifications & Certificates

Our History

  • 2022

    New Series Developed

    2022 KV Series and E Series Mass Flow Meters was successfully developed.


  • 2022

    Shortlisted in SINOPEC

    2022 Highly shortlisted in SINOPEC’s list of qualified suppliers.


  • 2022

    Accuracy Improved

    2022 The proportion of factory calibration accuracy of 0.05% for all types of products reaches 100%.


    2022 The accuracy of KDM online vibrating tube liquid density meters is better than 0.0001g/cm³.

  • 2021

    Shortlisted in PetroChina

    2021 Shortlisted in the list of qualified suppliers of China National Offshore Oil and flow range up to 3200t/h is covered.

    CCS Certified


    2021 Certified by CCS, ADD VALUE mass flowmeters are widely used in the global marine market.

  • 2020

    Materials Improved

    2020 Mass flow meter of special material is successfully developed, including Hastelloy, Titanium, duplex stainless steel 2205.


  • 2019

    Models Developed

    2019 More models are developed, and the continuous inline measurement coverage ranges from 0.005t/h to 650t/h.


  • 2018

    Turndown 20:1

    2018 The accuracy of turndown at 20:1 is better than 0.05%.


  • 2017

    Application Expanded

    2017 Expansion of mass flow meter application cases brings sales growth of more than 120%.


  • 2016

    Transmitter Upgraded

    2016 BPM-A transmitter was upgraded to BMP-B transmitter, the stability and reliability was optimized, and the products began to be exported.

    KDM Born


    2016 Development of KDM online vibrating tube liquid density meter was completed and started to be applied in Sinopec and PetroChina oil depots.

  • 2014

    Models Developed

    2014 More models with wide range of specifications were developed.


  • 2012

    Company Founded

    2012. 4. 23 Qingdao Add Value Flow Metering Co. Ltd was officially founded.


  • 2011

    Patent Obtained

    2011. 11 The project was a success and obtained an U.S. invention patent and one Chinese invention patent.


  • 2009

    Project Started

    2009. 12 The Mass Flow Meter R&D project was set up by the OCELL Enterprise R&D Center.


OCELL Enterprise