Quality You Can Trust
Every product on our platform passes a multi-stage quality control process. Only the top 5% of factories qualify for our QC+ certification.
Pass rate on first inspection
Quality checks per month
Average QC report turnaround
Certified factories worldwide
Our QC+ Process
Four checkpoints, zero compromises. Every order is verified at each stage before moving forward.
Factory Audit
Comprehensive evaluation of the factory's infrastructure, machinery, and management systems before any production begins.
- • On-site facility inspection
- • Production capacity assessment
- • Quality management system review
- • Worker safety & compliance check
Pre-Production Check
All raw materials and components are verified against specifications before manufacturing starts.
- • Material certificates verified
- • Sample material testing
- • Tooling & mold inspection
- • Production schedule confirmation
During Production QC
Continuous monitoring and inline quality checks throughout the manufacturing process.
- • Inline production sampling
- • Dimensional accuracy checks
- • Process parameter monitoring
- • Defect rate tracking
Final Inspection
Full inspection of finished goods before shipping with photographic documentation.
- • 100% visual inspection
- • Performance & function testing
- • Packaging integrity check
- • Photo & video documentation
Factory Certification Requirements
Getting QC+ certified is rigorous by design. Only factories that meet all criteria are approved.
ISO 9001:2015
International standard for quality management systems, ensuring consistent processes and continuous improvement across all certified factories.
Product Testing Labs
Partnerships with accredited third-party testing laboratories to provide independent verification of product specifications and safety standards.
CE Certification
European conformity marking confirming that products meet EU safety, health, and environmental protection requirements.
Factory Background Check
Comprehensive due diligence including business license verification, financial stability assessment, and trade reference checks.
Sample Order Required
Every new factory must successfully complete a paid sample order that passes our full QC inspection before being listed on the platform.
Annual Re-certification
Certified factories undergo annual re-audits to maintain their QC+ status. Any decline in quality results in immediate suspension.
International Testing Standards
We test against globally recognized standards so your products are accepted in every market.
European Standards (EN)
Products for the European market are tested against EN standards, ensuring compliance with EU directives for safety, EMC, and environmental requirements.
International Standards (ISO/IEC)
Core product testing follows ISO and IEC international standards, providing universal quality benchmarks recognised by importers worldwide.
Country-Specific Certifications
We arrange additional certifications such as UL (USA), BIS (India), GOST (Russia), and CCC (China) based on your target markets.
Full Transparency Reporting
Every order includes a detailed QC report with photos, test results, and inspector sign-off. No surprises.
Quality Control Report
Report #QC-8821 · Dec 5, 2025
Score: 98/100
Product
Monocrystalline Solar Panel 550W
Order ID
ORD-2847
Qty Inspected
180 units (100% sample)
Inspector
Zhang Wei — Certified QC Inspector
Full report includes 47 photos, measurement data, lab test certificates, and inspector signature. Shared with buyer upon order completion.
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Every product in our catalog is backed by our QC+ guarantee. Browse now or start a custom project.