Stock Code: 300269
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Contact Us
Headquarters Address:
Liantronics Bldg.,Antongda Industrial Zone,3rd Liuxian Rd,68 Block Baoan,Shenzhen China
Factory Address:
Dayawan Industrial Zone, Huizhou China
Phone: +86-755-23001729
Fax: +86-755-29746802
Customer Service

Service Commitments

We can provide the following services:

LED Display install
Sign Installation Picture

1. Pre-sale services

  • On-site investigation.
  • Customized design.
  • Advisory service.
  • Technical solutions.

2. In-sale services

  • Installation guide.
  • Online testing.
  • Function confirmation.

3. After-sale services

  • Timely maintenance.
  • Technical training.
  • Calibration.
  • Visiting.
  • Software upgrade.
  • Engineering consulting.
  • Deal with complaints.

We can provide services through the following ways:

  • Telephone -- 24–hour phone service is available for customers. Please leave us your contact information and detailed failure information(pls show the failure in pictures as possible as you can) when you contact us.
  • Real-time communication -- Our service team could offer services via Skype, E-mail, MSN, for example, sending video files of software operation or graphics card setup to show how to operate
    If necessary, our service team can remotely operate the customer’s computer through Team Viewer to install and set up software for customers and to remove the failures of system software .
  • Post -- Send the failed components under warranty back to Liantronics, and we will return the repaired ones to you as soon as we can.
  • On-site -- Engineer could be assigned to offer on-site service upon your requirements.

Service Details

  • Repair and maintenance -- Liantronics will be responsible for repairing any defective parts under warranty and returning the repaired ones to the customer. We also provide some free accessories such as power supply, modules and scan card to facilitate maintaining.
  • Advisory service or consulting -- Technical advice for LED display operation and maintenance.
  • Technical training -- Guiding the customer’s staff on installation and commissioning of LED display and peripheral equipments, operation of control system software, and failure analysis and maintenance of LED display system and periphery equipments.
  • Calibration -- Our trained engineer is at your service with calibration software (at cost).
  • Customized service -- Liantronics offers a variety of options in size and specification of LED display. In addition, Liantronics is willing to work with customers to build their customized product solutions, including product selection or new design, system solutions, structural design, after-sales service, etc.
  • Documentation --Installation and Maintenance Manual;LED Display System Connection Diagram;Software Guidance.

Services under warranty

(i) Free

  • Failures of module, ventilator, power supply of the display.
  • Failures of control system (graphics card, sending card, receiving card).
  • Failures of control software.
  • Failures of the cables inside the cabinets supplied by Liantronics.

(ii) Paid

  • Failures not caused by Liantronics’construction.
  • Failures due to false operation.
  • Failures as the result of natural disaster.


If you have any questions, please do not hesitate to contact us via e-mail:


Contact Us

Phone: +86-755-23001729
Fax: +86-755-29746802

Hong Kong Subsidiary

Phone: 00852-22524600
Fax: 00852-22524600

US Subsidiary

Contact: Cynthia Huang
Phone: (510) 438-0588
Fax: (510) 438-0488

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