Product Quality Level

• Zero km failure rate of 2022 is 4.8PPM
• Zero km failure rate of Cummins and FIAT products is 0 PPM

Quality assurance ability

• SPC automatic online monitoring for key characteristics
• Key process capability CPK >1.67
• Key items are 100% inspected
• Use Poka-yoke
• ZDM (Zero defect management)
• Establish Logistics information system. The batch can be traced by scanning barcode and QR code

Continuous Improvement

• Layered process audit
• Monthly quality meeting to make priority reduction plan
• Quarterly Innovation and Improvement review for continuous improvement
• Use 5 Why analysis method to find the root cause
• Use 8D process to carry out the quality improvement activities
• Establish quality problem database to avoid error reoccurrence