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COMPANY PROFILE
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SHENZHEN TIANYI UMBRELLA CO.,LTD. COMPANY PROFILE

Quality Control
QC Profile

1. Rib System

  • Smoothness of Opening and Closing: No malfunction after ≥ 500 repeated tests
  • Wind Resistance: No structural deformation under simulated strong wind conditions
  • Material Thickness: Aluminum alloy/fiber ribs meet load-bearing standards

2. Canopy Quality

  • Waterproof Performance: Fabric hydrostatic pressure ≥ 1500mm
  • Sewing Craftsmanship: Uniform stitch length (8–9 stitches per inch), no loose threads
  • Coating Uniformity: No missed coating or clumping

3. Accessories and Details

  • Handle Assembly: Firm without looseness, comfortable grip
  • Switch Mechanism: Moderate spring tension, reliable locking
  • Metal Components: No rusting after ≥ 24 hours of salt spray testing

4. Overall Testing

  • Load-bearing Test: Maintains 3kg suspension for 24 hours
  • Packaging Integrity: Standard folding, adequate protection
  • Clear Labeling: Firmly printed LOGO and care labels
Key Indicators: Opening-closing qualification rate ≥ 99.5%, windproof rating ≥ Level 6, average service life ≥ 1 year (under normal use)
Acceptable Sampling Ratio: AQL 1.0 (major defects), AQL 4.0 (minor defects)

Send your inquiry directly to us

Tel：13825209513
Email：peteryan@pingaoumbrella.com
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