Our facility

ISO17025 certified calibration rigs

At gFlow, we devote our technology, time and talent to advance the smarter use of water. We look to a future where global water issues do not exist, and we want to become the world's trusted supplier in solving water issues. That's our vision and mission, and our company tagline is a rallying cry that sums up how we want to use our considerable resources to find solutions to our customers' most urgent water challenges.​

Our vision and value 

We believe that the by using 3 key technologies: IoT, modelling and Artificial Intelligence to sense, digitalize and analyze the industry is the key to make the world better and sustainable in future.


Our vision and values is to provide the cutting edge technology and suitable solution to utility and energy industry to impact the future sustainable world.


About gflow


gFlow Instruments co. ltd.
Unit 3A-8, 12/F, Kaiser Centre, 
No. 18 Centre Street
Sai Ying Pun
Hong Kong SAR

Copyright © gFlow Instruments . All Rights Reserved 

With more than 15 years in industrial process instrumentation R&D and manufacturing. gFlow+ has grown to a global solution supplier of intelligent water network solution for  water industry.  


gFlow+ is the most reputable smart flow/pressure sensor ODM (Original Design Manufacturer) solution provider. Product range also covers RF transmitter and data analytical software system solution for clients' utility and energy application.


Often, more than one area of expertise is required with industrial instrumentation. With our team, there’s no need to. We can advocate for you in many areas of process instrumentation.

We serve a wide range of products, and every client relationship is valued greatly and treated with dignity and respect. Each engagement benefits from the depth and breadth of our expertise.