- Based on ISO2859(GBT2828: 2012) 
sampling inspection
- Specific part inspection
- Incoming material assurance based 
on Production Part Approval Process(PPAP)
- Material Destructive Test

- Based on ISO9001: 2015 quality 
management system standards
- SPC control for key process
- Continuous process improvement
by PDCA

- Sampling inspection based on 
ISO2859(GBT2828: 2012)
- Endurance and aging test
- Product Specification test
- Product Destructive test

- Quality & Delivery Assurance
- Perfect Before & after-sale Service
- Customer survey