Ensuring quality control and preventing nonconforming products from being misused or leaving the facility
1. Purpose
Ensure that unqualified raw materials, semi-finished products, and finished products covered by the company's quality system are isolated to prevent nonconforming products from being misused or leaving the facility.
2. Scope of Application
Applicable to the control of nonconforming products in the entire process covered by the company's quality system.
3. Responsibilities
Quality Department
Responsible for determining nonconforming products and making graded determinations.
Quality Department
Responsible for organizing the review of nonconforming products.
Relevant Departments
Responsible for isolating nonconforming products within their scope, and handling and recording them according to the reviewed disposal plan.
4. Workflow
1 Determination of Nonconforming Products
Raw & Auxiliary Materials
Quality inspector determines nonconforming materials based on "Incoming Inspection and Test Control Procedure".
Semi-Finished Products
Workshop inspector determines nonconforming products based on "Process Inspection and Test Control Procedure".
Finished Products
Final inspector determines nonconforming products based on "Final Inspection and Test Control Procedure".
2 Classification of Nonconforming Products
Nonconforming products are divided into three levels according to defect severity:
3 Marking & Records
After confirmation, Quality Department marks and records nonconforming products according to "Inspection and Test Status Control Procedure".
4 Isolation
Once detected and confirmed, nonconforming products are immediately isolated. Different types are stored in separate areas.
4.5 Review of Nonconforming Products
4.6 Disposal of Nonconforming Products
4.6.1 Raw & Auxiliary Materials
- Level 1 (not in storage): Quality Dept proposes disposal, GM approves
- Level 2 & 3 (not in storage): Returned
- Level 1 (in storage): Resell for other purposes if usable
- Level 2 & 3 (in storage): Scrap if unusable
4.6.2 Semi-Finished Products
- Rework: When possible, then reinspect
- Defective: Level 1 & 2 that can't be reworked - internal use only
- Scrap: Level 3 with no rework value
4.6.3 Finished Products
- Defective: Level 1 & 2 - internal use only
- Scrap: Level 3 - destroyed and recorded
4.7 Handling of Job Responsibilities
Product Handover: Delivery unit responsible for inspection issues; Receiving unit for appearance defects; Inspector for missed inspections.
Document Errors: Preparer bears direct responsibility; Reviewer and approver bear leadership responsibility.
Quality Accidents: Responsible department bears responsibility for poor internal management.
Improper Transfer: Operator and supervisor responsible for transferring nonconforming products without inspection.
Quality Assurance Commitment
This comprehensive procedure ensures that nonconforming products are properly identified, classified, reviewed, and disposed of to maintain the highest quality standards throughout the manufacturing process.