Quality Control Inspection

ISO 9001 Certified

Quality Control

Professional Standards. Reliable Results. Peace of Mind.

Every order passes strict inspections – from raw materials to final packaging – ensuring compliance, durability, and consistency you can rely on. Our comprehensive quality control system protects your business reputation and customer satisfaction.

Our Testing Dimensions

Comprehensive quality control across six critical dimensions ensures every piece meets international standards and your business requirements.

Precision measurement and dimensional accuracy testing

Dimensional Accuracy

Precision measurements ensure perfect fit and easy assembly. Our CNC-controlled manufacturing maintains strict tolerances for consistent results across all production batches.

Tolerance Range ±1mm
Hole Positioning ±0.5mm
Edge Accuracy 99.8%
Precision Certified
Structural strength and load bearing testing

Structural Strength

Comprehensive load testing simulates real-world usage conditions. We test tables, cabinets, and chairs beyond normal capacity to prevent field failures and ensure long-term durability.

Load Test Standard EN 12520
Safety Factor 3:1
Cycle Testing 50,000+
Strength Verified
Surface quality inspection and color consistency testing

Surface Quality

Advanced color matching technology and surface inspection ensure uniform appearance across entire orders. Our quality system prevents scratches, bubbles, and color variations.

Color Consistency ΔE ≤1.5
Surface Defects <0.1%
Gloss Uniformity ±5%
Quality Assured
Environmental compliance and formaldehyde testing

Environmental Compliance

All products meet strict international environmental standards including E0/E1 formaldehyde levels, CARB Phase 2, and TSCA Title VI requirements for global market access.

Formaldehyde Level E0 Grade
CARB Compliance Phase 2
TSCA Certified Title VI
Eco-Certified
Packaging and transport simulation testing

Packaging & Transport

Rigorous drop testing and vibration simulation ensure products survive international shipping. Our packaging design minimizes damage and reduces customer complaints.

Drop Test Include
Vibration Test ISTA 3A
Damage Rate <3.0%
Transport Safe
AQL statistical sampling inspection process

AQL Sampling

International AQL (Acceptable Quality Level) standards guide our inspection protocols. Statistical sampling ensures consistent quality across large production batches while maintaining efficiency.

AQL Level 1.5
Sample Size MIL-STD-105E
Inspection Level Level II
AQL Certified

Our Step-by-Step QC Process

"We don't just inspect at the end – we control quality at every stage."

Every production step has its own risks. That's why our QC team intervenes early and repeatedly, ensuring problems never reach your customers. Explore our comprehensive 7-step quality control process.

Raw material testing laboratory
1

Raw Material Inspection

Every incoming batch of MDF, particle board, and plywood undergoes comprehensive laboratory testing before entering production. Our quality team analyzes formaldehyde emissions, density uniformity, and moisture content to international standards, ensuring compliance from day one.

Technical Specifications
Formaldehyde Test EN 717-1 Standard
Density Range 620-680 kg/m³
Moisture Content 6-8%
Grade Standard E0/E1 Certified
CNC machine precision cutting
2

CNC Precision Monitoring

Real-time dimensional checks during CNC processing ensure hole positions, grooves, and slots maintain ±1mm tolerance. Edge banding adhesion strength is tested to prevent peeling during assembly or use, guaranteeing perfect DIY assembly experience.

Precision Standards
Dimensional Tolerance ±1mm
Hole Position Accuracy ±0.5mm
Edge Banding Strength ≥1.2 N/mm
Surface Smoothness Ra ≤3.2μm
Panel flatness measurement
3

Semi-Finished Panel Inspection

Comprehensive geometric checks including flatness, squareness, and diagonal deviation measurement. Warped or defective panels are identified and removed before surface treatment to prevent costly rework and ensure perfect assembly.

Geometric Standards
Flatness Tolerance ≤1.5mm/m
Diagonal Deviation ≤2mm
Square Accuracy ≤1mm
Thickness Consistency ±0.3mm
Surface quality testing
4

Surface Quality Assurance

Multi-point testing includes cross-cut adhesion tests, color consistency verification, and abrasion resistance evaluation. Visual inspection under controlled lighting ensures batch-to-batch uniformity across your entire order.

Surface Standards
Adhesion Grade ISO 2409 Class 0
Color Consistency ΔE ≤1.5
Abrasion Resistance ≥200 cycles
Gloss Uniformity ±5%
Furniture stability testing
5

Structural Integrity Verification

Random units undergo full assembly and comprehensive stress testing. Load-bearing tests on shelves, shake tests for stability, and operational tests for drawers and doors ensure real-world durability under actual use conditions.

Structural Standards
Load Test Standard EN 12520
Safety Factor 3:1 Margin
Operational Cycles 25,000+
Stability Test ANSI/BIFMA
Final quality inspection
6

Final QC & Statistical Sampling

100% visual inspection covers surface finish, edge quality, and packaging integrity. AQL sampling according to ANSI/ASQ Z1.4 provides statistical confidence in large batch quality with detailed inspection reports for your records.

Inspection Standards
Visual Inspection 100% Coverage
AQL Level 1.5 (Normal)
Sampling Standard MIL-STD-105E
Defect Classification Critical/Major/Minor
Package drop testing
7

Packaging & Transit Protection

ISTA 3A compliant drop testing from 1.2m height, vibration simulation, and corner impact testing ensure products survive international shipping. Packaging optimized for Amazon FBA and major e-commerce requirements.

Transport Standards
Drop Test Height 1.2m (ISTA 3A)
Vibration Test ASTM D4169
Compression Test 250kg/48hrs
Temperature Range -20°C to +60°C

International Compliance Benchmark

Trust Guarantee Through Global Standards

Our products meet or exceed international safety, environmental, and quality standards across all major markets. Every certification represents our commitment to protecting your business and ensuring smooth market entry worldwide.

CE Certified
CARB Phase 2
TSCA Title VI
RoHS Compliant
Test Category International Standards Compliance Status
Formaldehyde Emission
Indoor air quality & health safety
EN 717-1: E1/E0 Grade (Europe)
CARB Phase 2: California Air Resources Board
TSCA Title VI: Toxic Substances Control Act
Fully Compliant
E0/E1 grade certified
Structural Strength
Load-bearing & anti-tip safety
EN 12520: Strength & stability for seating
ASTM F2057: Anti-tip requirements for storage
ANSI/BIFMA: Business & Institutional Furniture
Passed All Tests
Anti-tip & load verified
Surface Durability
Wear resistance & longevity
EN 14322: Melamine board surface resistance
EN 438: High-pressure decorative laminates
NEMA LD3: Decorative laminates standards
Batch Inspected
5000+ cycle tested
Chemical Safety
Heavy metals & hazardous substances
RoHS: Restriction of Hazardous Substances
REACH: Chemical Registration & Evaluation
CPSIA: Consumer Product Safety Improvement Act
Fully Compliant
No Pb, Hg, Cd, Cr6+
Electrical Safety
LED furniture & electronic components
LVD: Low Voltage Directive (EU)
EMC: Electromagnetic Compatibility (EU)
EN 62471: Photobiological safety of lamps
CE Certified
All electrical products
Packaging & Transport
Drop testing & e-commerce ready
ISTA 3A: International Safe Transit Association
Amazon FBA: Fulfillment packaging requirements
Wayfair: E-commerce packaging guidelines
Damage Rate <3.0%
E-commerce ready

Ready to Start Your Custom Furniture Project?

Join over 500+ furniture importers and wholesalers worldwide who trust Tri-tiger for quality manufacturing, competitive pricing, and reliable delivery. Get your personalized quote today.

Trusted by Global Furniture Importers

Average rating of 4.9/5 from over 320+ verified B2B clients

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Verified Clients

What Our Partners Say

Real feedback from furniture importers worldwide

"
Michael Schmidt

Michael Schmidt

Purchasing Director

Germany

"We've been ordering from Tri-tiger for 3 years. Their quality is consistently excellent and the 30-day delivery schedule helps us manage inventory efficiently. The custom packaging with our branding was a game-changer for our retail stores."

"
Sarah Thompson

Sarah Thompson

Import Manager

Canada

"The factory-direct pricing gave us a 28% margin improvement compared to our previous supplier. Quality control is thorough - we rarely have any issues. The 50 CBM minimum order quantity was perfect for testing new designs in our market."

"
James Morrison

James Morrison

CEO

United States

"Their CARB Phase 2 certification made our US market entry seamless. No customs issues, no compliance problems. The quality inspection reports they provide are detailed enough to share with our retail partners. Very professional operation."

"
David Wilson

David Wilson

Operations Director

United Kingdom

"We've ordered over 400 containers in 4 years. The damage rate during shipping is incredibly low - less than 0.3%. Their packaging is optimized for long-distance transport. Communication is always clear and responsive."

"
Anna Rodriguez

Anna Rodriguez

Procurement Manager

Spain

"The full customization capability is what sets them apart. We can match any design specification our clients need. Color consistency across large orders is excellent - no surprises when containers arrive. Highly recommend for serious importers."

"
Sophie Martin

Sophie Martin

Buyer

France

"Price is competitive, but it's the reliability that keeps us coming back. They hit delivery deadlines consistently, which is crucial for our business. The quality inspection process gives us confidence - very few customer returns."

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