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Qiaoying

1. Requirement Analysis & Feasibility Study

- Client provides: Product type, specifications, target volume, certifications (e.g., FDA/CE)  
- Injection/Mold Department evaluates:  
- Structural feasibility (e.g., precision nozzle molding, waterproof design)  
- Material selection ( ABS/PP, medical silicone, SUS304)  
- Submit preliminary quotation & timeline 

Qiaoying

2. Design & Mold Development

- ID Design: Ergonomic appearance
- MD Design:  
  - 3D mold design
  - Mold steel selection
- Deliver prototypes

Qiaoying

3. Sample Testing & Certification Support

- Functional Tests:  
  - frequency stability, cleaning efficacy, etc  
  - motor lifespan, IPX7 validation, etc  
- Certifications:  
  - Roadmap planning (e.g., CE-EMC, FDA 510k for Class II devices)  
  - Technical documentation: PCB schematics, BOM, MSDS  
  - ROHS/REACH compliance certificates

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4. Pilot Run & Mass Production Prep

- Mold approval (T1 report + dimensional inspection)  
- Pilot run (500-1,000pcs):  
  - Batch consistency check for injection parts  
  - Assembly line validation (e.g., water flosser pressure test)  
- Finalize QC protocol (AQL levels, critical tests)  

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5. Mass Production & Delivery

- Full-scale production
- Quality control:  
  - In-process inspection (e.g., sink mark check on handles)  
  - Aging test for finished products  
- Custom packaging: Sterile bags (for denture cleaner accessories), multilingual manuals

Qiaoying

6. After-Sales Service

- Mold maintenance: 1 free modification (within contract period)  
- Defect root cause analysis & rework  
- Priority production scheduling for long-term partners