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Hall Switches/Sensors/Elements:
 Hall Linear ICs & Elements
 Unipolar Hall Switch ICs
 Bipolar Hall Switch ICs
 Hall Gear Tooth Sensor ICs
Hall Current Sensors/Transducers:
 Closed Loop Sensors (PCB Mounting)
 Closed Loop Sensors (Rectangle Window)
 Closed Loop Sensors (Round Window)
 Open Loop Sensors (PCB Mounting)
 Open Loop Sensors (Rectangle Window)
 Open Loop Sensors (Round Window)
 Digital Hall Current Sensors
Electromagnetic Sensors and Switches:
 Hall Voltage Sensors/Transducers
 Hall Vane Speed Sensors
 Hall Gear Tooth Speed Sensors
 Hall Proximity Switches
 Magnetoresistive Speed Sensors
 Tunneling Magnetoresistive Switches
Current & Voltage Sensors/Transformers:
 DC Current Sensors/Transducers
 AC Current Sensors/Transducers
 Leakage Current Sensors/Transducers
 AC Current Transformers
 DC Voltage Sensors/Transducers
 AC Voltage Sensors/Transducers
Measuring Devices and Instruments:
 Magnetic Measuring Instruments/Devices
 Electric Measuring Instruments/Devices
 New Products of Sensors/Instruments
Permanent Magnets:
 NdFeB Neodymium Magnets
 SmCo Samarium Cobalt Magnets
 Aluminium Nickel Cobalt Magnets
Technical Support


After repeated tests and measurements, our professional technical team has equipped every product with data sheet inclusive complete and concise specifications, which helps the customer to select and to purchase the suitable products. If you have any problems, you can always be consulted by our sales team.Our team is versed in three languages: German, English and Chinese. They will answer all of your technical and commerical questions patiently and carefully and help you to choose the exact product that suits your applications.

Contact Person:

Mr. Huai-Kan Liu (B.Sc.)
Sales Manager:

Mrs. Jane Chen, M.Sc.
Technical Consultation:

Dr.-Ing. habil. Jigou Liu

After sale:

We attach great importance to customers' feedback and opinions. Whenever you have any complaints or problems with the products, don't hesitate to contact us. We will be informed carefully, analyze the problems thoroughly and solve them properly, in order to improve the quality of our products and services.

Product maintenance and the scope of the warranty can be found in chapter 9, "Warranty, Complaints and Recourse / Manufacturer Redress" in the sidebar "General Conditions of Sale".

Catalogues of Sensors and Measuring Instruments

Catalogues of Permanent Magnets

Technologies (HK) Co., Limited
Rm 707, 7/F, Treasure Centre,
42 Hung To Road, Kwun Tong,
Kowloon, Hong Kong
Tel.: +852-2763 6089
Fax: +852-2305 9756
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