Quality
- Zero defects
- Statistical process controls
- Continuous process improvement
- Fit for use
- Corrective action program
- Documented quality system such as ISO 9000
- Warranty: 5 years for key electronic components
- Actual quality compared to: historical quality, specification quality, target quality
- Quality improvement compared to: historical quality, quality-improvement goal, keep improving
Product certification: SGS ,TUV and UL