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.
        
Pre-sale and Mid-sale Service
        
On-site Survey
- Structure, System, Electrical Drawings
 - Specification and Configuration List Collection
 - On-site Measurement Data Organization
 
        
Solution Customization
- Function Summary Table
 - Application Solution
 - Technical Documentation
 - System Integration Solution
 
        
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:
        
Free replacement and repair of faulty parts
        
Free replacement and repair of faulty parts
        
Free training on computer operation and circuitry,Maintenance personnel and others
        
Provide sufficient technical documentation and spare parts
        
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.
        
System Debugging
Provide overall equipment debugging before the event starts, completing equipment operation and acceptance.
        
Fault Diagnosis
Conduct comprehensive detection and rapid troubleshooting of equipment faults during the event.
        
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
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
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
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
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: