Service Hours

Service Hotline

(365 days a year, 7x24 hours telephone service support)

If users encounter any problems during maintenance or operation, they can call our after-sales service center to consult technical staff. If technical issues cannot be resolved in real time, our company will dispatch engineers to the project site to assist.

Service Hours

Pre-sale and Mid-sale Service

On-site Survey

On-site Survey

  • Structure, System, Electrical Drawings
  • Specification and Configuration List Collection
  • On-site Measurement Data Organization
Solution Customization

Solution Customization

  • Function Summary Table
  • Application Solution
  • Technical Documentation
  • System Integration Solution
Tender Cooperation

Tender Cooperation

  • Technical Bid Support
  • Counter-question Guidance

Warranty Scope

Based on the trust in the quality of our company's products, we solemnly promise: For this project, equipment and materials supplied by our company that cause faults due to quality issues will enjoy a fully free warranty service within the contract warranty period. Including:

Warranty Scope

Free replacement and repair of faulty parts

Warranty Scope

Free replacement and repair of faulty parts

Warranty Scope

Free training on computer operation and circuitry,Maintenance personnel and others

Warranty Scope

Provide sufficient technical documentation and spare parts

Warranty Scope

All replaced components are,tested and inspected before use

Event Support

Dehui Technology provides on-site event support services, assigning professional engineers to the client's event site to provide technical support and safeguard the client's commercial activities.

Event Support

System Debugging

Provide overall equipment debugging before the event starts, completing equipment operation and acceptance.

Event Support

Fault Diagnosis

Conduct comprehensive detection and rapid troubleshooting of equipment faults during the event.

Event Support

Fault Repair

Timely repair of software and system-related issues during the event.

Installation Service

The company provides training, debugging, on-site installation, and guidance.

On-site Installation

On-site Installation

Supervise the installation of all system equipment and materials.

Installation work is orderly to ensure implementation according to schedule.

Installation work complies with national regulations and system equipment installation requirements.

On-site Service

On-site Service

Dispatch technical personnel to provide installation, debugging, and acceptance services on-site to ensure normal equipment operation.

Provide tools and instruments for on-site installation free of charge.

System design and construction strictly follow contract requirements and national industry standards.

Tender Cooperation

Tender Cooperation

System Installation and Testing

The role of equipment in the system and correct usage methods.

Equipment inspection, adjustment, and testing; usage methods of common measuring instruments and devices.

Equipment grounding and lightning protection.

Daily maintenance of displayed information.

Simple software fault handling.

Simple hardware fault handling.

Equipment maintenance and upkeep.

Provide training materials.

Maintenance Support

Maintenance Support

Unified repair reporting, telephone guidance, headquarters arranges nearby regional engineers to handle, ensuring timely fault elimination.

After-sales service phone:

Domestic phone:

Overseas service phone: