Your ODM / OEM
for IoT
Design, engineering & contract manufacturing ofconnected electronics products.
Your ODM / OEM
for IoT
Design, engineering & contract manufacturing ofconnected electronics products.
Why customers like working with us
Herald Datanetics Limited (HDL) has a strong engineering team, extensive manufacturing expertise, a large supply base and is proactive in its communication. Having successfully been in business for 38 years, and being part of a public company, we owe it to our stakeholders to make a success out of what we do for you, our customer. Having built a strong reputation in the computer tape head design and manufacturing business, we branched into IOT products over 15 years ago and have become a leading ODM/OEM in this field.
Dedication to Technology
We ensure that our project managers and engineers stay on the leading edge of technology. Our customers benefit from our deep commitment to technology and engineering expertise because we are able to rapidly adapt new tools and techniques and ramp up quickly on new technologies.
Culture of Collaboration
Our business is built on effective communication and collaboration. We believe that this commitment is responsible for the strong customer relationships over the last 30 years. We also believe that these qualities are the catalysts for innovation while being essential to transparency.
Products we design & manufacture
Connected Devices for IoT
IoT products that HDL manufactures include:
- SMART WATCHES
- COMMUNICATING THERMOSTATS
- SENSOR ARRAY GATEWAYS
- REMOTE ENVIRONMENTAL SENSORS
Design and manufacture expertise includes:
- WiFi (802.11)
- Bluetooth (802.15.1)
- Zigbee, Z-wave (802.15.4)
- Cellular – CDMA, 3GPP & LTE
Magnetic tape heads
HDL is a major supplier of the big data storage industry, including component sourcing, manufacture and testing of:
- CARD READER HEADS
- MIG FERRITE HEADS
- MULTI-CHANNEL THIN-FILM TAPE HEADS (AMR)
- CARD READER DECODERS
- FERRITE COMPONENTS
- MULTI-CHANNEL THIN-FILM TAPE HEADS (GMR)
- LOW PROFILE CARD READER HEADS
- UPPER LEVEL FIELD REPLACEABLE UNITS
- HEAD POSITIONING ACTUATOR ASSEMBLIES
Our Customers
We serve Fortune 100 companies, leading Smart Home and Home Security providers, and Health and Telemedicine startups.
Services we provide
Design and development
Prototyping
Certification
Manufacturing
Supply chain
What Our Customers Say
The project planning and scheduling provided by HDL is excellent, and they are usually willing to accommodate special or rush requests, when possible. I am most appreciative of HDL's transparency with respect to the problems and issues we have encountered on projects.R&D Manager, Smart Sensor start-up company, USA
The HDL team provide incredible support and design services. I think HDL is a great partner. We have had some technical issues this year during our development, but we have worked quickly together to solve them. Working with HDL is a very good experience. The engineer team is very responsive and highly competent.Founder and CEO, Smart Home service solutions company, USA
The entire HDL team is a pleasure to work with. I am especially grateful for the ability to work through challenges as they come up. It is critical to our business to have such a close partner. That type of relationship will last a very long time." "HDL has a "can-do" attitude and works through all kinds of challenges with us.Manager, Smart Sensor startup (acquired by a public company), USA
I have been working with Asian electronics manufacturers for over 20 years, and the quality of communication and engineering support that we have been getting from HDL is truly outstanding.Director of New Products, leading Home Security company, USA
The high product quality standards could not have been accomplished without the diligence, dedication, and hard work from each of you.Director of Supply Chain Operations, Fortune 500 company, USA
HDL always make a good effort to provide their best engineering advice. Everyone there is quick to come up with creative solutions, and eager to help solve our problems. Their ability to document all processes and provide trace-ability for all products is impressive. Overall HDL has been an excellent partner, and has helped [customer name] become a leader in our industry.Senior Mechanical Engineer, public company in IoT business, USA
Best in class for quality and customer service.Senior Buyer, leading Smart Home company, USA
Our capabilities
Contract design and manufacturing of connected devices for IoT
Contract design and manufacturing of magnetic recording heads
Contract design and manufacturing of ultra high precision actuators
Electronic and mechanical engineering
Machining, Processing, Assembling, Testing
Measurement
Sourcing with engineering support
What Our Customers Say
The project planning and scheduling provided by HDL is excellent, and they are usually willing to accommodate special or rush requests, when possible. I am most appreciative of HDL's transparency with respect to the problems and issues we have encountered on projects.R&D Manager, Smart Sensor start-up company, USA
The HDL team provide incredible support and design services. I think HDL is a great partner. We have had some technical issues this year during our development, but we have worked quickly together to solve them. Working with HDL is a very good experience. The engineer team is very responsive and highly competent.Founder and CEO, Smart Home service solutions company, USA
The entire HDL team is a pleasure to work with. I am especially grateful for the ability to work through challenges as they come up. It is critical to our business to have such a close partner. That type of relationship will last a very long time." "HDL has a "can-do" attitude and works through all kinds of challenges with us.Manager, Smart Sensor startup (acquired by a public company), USA
I have been working with Asian electronics manufacturers for over 20 years, and the quality of communication and engineering support that we have been getting from HDL is truly outstanding.Director of New Products, leading Home Security company, USA
The high product quality standards could not have been accomplished without the diligence, dedication, and hard work from each of you.Director of Supply Chain Operations, Fortune 500 company, USA
HDL always make a good effort to provide their best engineering advice. Everyone there is quick to come up with creative solutions, and eager to help solve our problems. Their ability to document all processes and provide trace-ability for all products is impressive. Overall HDL has been an excellent partner, and has helped [customer name] become a leader in our industry.Senior Mechanical Engineer, public company in IoT business, USA
Best in class for quality and customer service.Senior Buyer, leading Smart Home company, USA
Why Us
HDL is a subsidiary of a Hong Kong public company. We are IoT experts, committed to excellence in engineering, customer service, and quality manufacturing. Working with us provides transparency and financial stability, as well as responsible corporate governance.
Company
HDL is a leading Original Design Manufacturer (ODM) and Original Equipment Manufacturer (OEM) specializing in the design and manufacture of connected devices for IoT, computer magnetic recording heads, electronic products, and other high tech devices. Part of Herald Holdings, Ltd., a Hong Kong publicly traded group, HDL holds ISO9001:2015, ISO14001:2015, GSV, and RBA certifications that underscore commitment to transparent and ethical operation and to products of exceptional quality and reliability.
Our company head office is located in Hong Kong and our factory is located on 200,000 sq ft of land in Zhuhai, China, employing over 450 workers and staff. HDL has an office in the USA and has in-house capability to design, prototype and manufacture a wide range of products for a large variety of applications.Customers praise HDL for depth of expertise in electrical, mechanical, and process engineering, for clarity and ease of communication, and for providing such value-add services as product design, certification, and sourcing with engineering support.
Key Numbers
43
expert design engineers
450+
highly skilled workers
200,000
ft2 China manufacturing facility
Quality
Having achieved ISO 9001 qualification in 1994, HDL prioritizes quality improvement and technology innovation to produce cutting-edge, high performance products.
ISO 9001 : 2015
Certified since 1994
GSV
Global Security Verification
Incorporated since 2009
ISO 14001 : 2015
Certified since 2006
RBA
Responsible Business Alliance (formerly Electronic Industry Citizenship Coalition)
Incorporated since 2009
Key Numbers
43
expert design engineers
450+
highly skilled workers
200,000