China Direct Source

Professional Quality Control & Inspection Services

Ensure your products meet the highest quality standards with our comprehensive inspection services. From pre-production to final shipment, we provide thorough quality control that protects your brand and customer satisfaction.

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Types of Quality Inspections

Comprehensive inspection services covering every stage of the production process

Pre-Production Inspection (PPI)

Verify materials, components, and production setup before manufacturing begins

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During Production Quality Control (DPQC)

Monitor production quality and processes during manufacturing

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Final Random Inspection (FRI)

Comprehensive inspection of finished products before shipment

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Container Loading Supervision

Ensure proper loading and secure packaging for shipment

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Comprehensive Testing Services

Advanced testing capabilities to ensure your products meet all quality and safety requirements

Physical Testing

• Dimensional measurement
• Weight and density testing
• Durability and stress testing
• Impact and drop testing
• Temperature resistance
• Waterproof testing

Functional Testing

• Performance verification
• Operational testing
• Battery life testing
• Software functionality
• User interface testing
• Compatibility testing

Safety Testing

• Electrical safety testing
• Chemical composition analysis
• Toxicity testing
• Flammability testing
• Sharp edge testing
• Choking hazard assessment

Compliance Testing

• CE marking requirements
• FCC compliance testing
• RoHS compliance
• CPSIA testing
• FDA requirements
• Industry-specific standards

Our Quality Control Process

Systematic approach ensuring thorough and consistent quality inspections

Inspection Planning

Define inspection scope, standards, and acceptance criteria

Step 1

Inspection Planning

Process completion: 20%

Step 2

On-Site Inspection

Process completion: 40%

On-Site Inspection

Conduct a thorough inspection according to established protocols

Testing & Analysis

Perform required tests and analyze results against standards

Step 3

Testing & Analysis

Process completion: 60%

Step 4

Report Generation

Process completion: 80%

Report Generation

Compile comprehensive inspection report with findings and recommendations

Follow-up Actions

Support corrective actions and re-inspections as needed

Step 5

Follow-up Actions

Process completion: 100%