Customized products with competitive price

Over hundreds of customized and standard models, we are one of the extremely few companies in Asia developed the core technology of Hysteresis brakes. We obtained patents in this area with the effort of over ten years R&D to provide excellent quality products and services with competitive price.


Success is in the details

We developed our own full motor testing system / Hysteresis Dynamometer including the Dynamometer Controller, Electric Analyser, software in different versions and every tiny but essential parts including the specialized mounting units like couplings and t-slot aluminum plate.


FIG 16

Emphasize customer service

Listening to the customers and providing professional service is our basic responsibility. Customer's feedbacks are the foundation of innovation and improvement of our products. That's why we often pay a visit to customers to record and analysis the data in actual applications of our products.

Hysteresis brakes and clutches, hysteresis dynamometers, electronic tensioners, digital tension meters, intelligent current supplies, tension measuring controllers, etc
read more
About Us
Valid Magnetics is a Hong Kong based technology company speciallized in testing, measuring and controlling products or systems in torque, tension, load-force-weight field
read more
Contact Us
Most of our items can be customized according to your requirement. Please feel free to contact us!

read more
Welcome to Valid MagneticsHysteresis Brake, Tensioner, Dynamometer, Valid Magnetics Products

A measurement system is considered as "Valid" if it is both accurate and precise. It is also our ultimate goal on every products we produced under years of experience, specialization and innovation in this area.

We focus on every tiny parts with times of trials to achieve the best outcome.

Our products are widely used in the following industries:
Machinery of textiles, motors, coils, transformers, tapes, papers, cables, packaging, automation and other industries, which the tension control is critical in manufacturing processes.

We keep developing and improving our products:
In 2020, we are the first company developed a series of ETR tensioners and displacement correction device which have greatly improved the production speed and efficiency of masks machines to fight for covid19! 

In 2023, we have upgraded the servo tensioner S3F and the warper tensioner WT2 which are highly recommended by our customers.
Hysteresis BrakeDynamometerTensioner

Download Our Company Catalog Here

Contact us : This email address is being protected from spambots. You need JavaScript enabled to view it.

Copyright © All rights reserved. Privacy Policy.