Anhui DJN Optronics Technology Co., Ltd.
Warranty & After-Sales Support

Warranty & After-Sales Support

Warranty

Comprehensive Support Across the Entire Project Lifecycle

Pre-Sales Engineering Support
Customer Demand Analysis & Technical Consultation
Customer Demand Analysis & Technical Consultation
Customized Display Solution Planning & Proposal Drafting
Customized Display Solution Planning & Proposal Drafting
Structural, Optical & Electrical Feasibility Evaluation
Structural, Optical & Electrical Feasibility Evaluation
Product Size & Interface Matching Design Support
Product Size & Interface Matching Design Support
Sample Development & Prototype Testing Coordination
Sample Development & Prototype Testing Coordination
Cost Optimization & Mass Production Feasibility Analysis
Cost Optimization & Mass Production Feasibility Analysis
Technical Communication & Project Schedule Planning
Technical Communication & Project Schedule Planning
Reliability Standard & Environmental Requirement Confirmation
Reliability Standard & Environmental Requirement Confirmation
In-Process Project Management & Manufacturing Control
Project Schedule Planning & Real-Time Progress Tracking
Project Schedule Planning & Real-Time Progress Tracking
Cross-Department Coordination & Risk Early Warning
Cross-Department Coordination & Risk Early Warning
Raw Material Incoming Inspection & Quality Control
Raw Material Incoming Inspection & Quality Control
Sop Standardization & Production Process Optimization
Sop Standardization & Production Process Optimization
In-Line Testing & Defect Analysis & Improvement
In-Line Testing & Defect Analysis & Improvement
Production Capacity Planning & Delivery Guarantee
Production Capacity Planning & Delivery Guarantee
Environmental & Reliability Testing During Production
Environmental & Reliability Testing During Production
Batch Traceability & Quality Record Management
Batch Traceability & Quality Record Management
Engineering Change (EC/ECN) Implementation & Control
Engineering Change (EC/ECN) Implementation & Control
On-Site Technical Support & Problem Resolution
On-Site Technical Support & Problem Resolution
After-Sales Technical Support & Service
On-Site Technical Troubleshooting & Problem Resolution
On-Site Technical Troubleshooting & Problem Resolution
Product Warranty Service & Replacement Support
Product Warranty Service & Replacement Support
Field Installation & Commissioning Guidance
Field Installation & Commissioning Guidance
Regular Product Inspection & Performance Verification
Regular Product Inspection & Performance Verification
Software & Firmware Upgrade & Maintenance
Software & Firmware Upgrade & Maintenance
Customer Training on Operation & Maintenance
Customer Training on Operation & Maintenance
Quick Response to Customer Feedback & Complaints
Quick Response to Customer Feedback & Complaints
Lifetime Technical Consultation & Improvement Suggestions
Lifetime Technical Consultation & Improvement Suggestions
Failure Data Analysis & Continuous Quality Improvement
Failure Data Analysis & Continuous Quality Improvement
Emergency Support for Mass Production Issues
Emergency Support for Mass Production Issues

How We Support Your Project Step by Step

We provide end-to-end support throughout your project to ensure smooth development, stable production and reliable delivery.

  • 01
    Pre-sales

    We analyze your requirements, offer customized display solutions, conduct feasibility evaluation and provide professional technical consultation.

  • 02
    In-process

    We manage project schedules, control manufacturing quality, track production progress, implement strict process inspection and ensure on-time delivery.

  • 03
    After-sales

    We offer timely troubleshooting, on-site support, product maintenance, firmware updates and continuous technical service to secure long-term stable operation

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