1. System maintenance

• Liaise with the (OEM) during system development
• Liaise with the (OEM) for system documentation
• Buyer's training
• Warranty maintenance & support of Hardware & Software
• AMC maintenance & support of Hardware & Software
• Customer feedback & operational analysis
• Fault tracing, debugging and system rectification
• Feedback to OEM system

2. Product Redevelopment

• Redevelopment and reengineering
• State-of-art technology adaptation
• Performance and reliability improvement

3. Test and Verification for maintenance

• Test Plan design
• Test automation and scripting
• Compatibility, interoperability, compliance testing