Quality Control Process

Ensure Every Insole Meets Strict Quality Standards
Our corrective insoles go through a comprehensive QC process covering raw materials, in-process inspection, final product check, and pre-shipment verification. This ensures consistent performance, safety, and reliability for wholesale and OEM/ODM customers.
Insole Quality Inspection Process

Incoming Quality Control ( IQC)

Raw Materials

EVA, PU, Carbon Fiber Board,Fabric, Adhesives, etc.

Inspection Items

  • Hardness
  • Elasticity
  • Environmental
  • Certification
  • Appearance without damageThickness

    • Insole Quality Inspection Process

    In-Process Quality Control (IPQC)

    • Cutting size deviation
    • Flatness of heat pressing/ molding
    • Bonding strength, no delamination
    • Smooth trimming without burrs
    Insole Quality Inspection Process

    Final Quality Control (FQC)

    Appearance

    No bubbles, no scratches, no color difference

    Dimensions

    Length, width, arch height, left-right symmetry

    Function

    Support hardness, rebound performance, comfort

    Safety

    No odor, environmentally friendly and non-toxic

    Insole Quality Inspection Process

    Outgoing Quality Control (OQC)

    • Complete packaging
    • Clear labeling (size, model, batch number))
    • Only after pssing sampling inspection
    • Products are properly stored and shipped
    Insole Quality Inspection Process

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    • Profession R&D Team
    • Advanced Production Equipment
    • Strict Quality Control System
    • On-time Delivery Guarantee