Quality

1st sample inspection

At EPPOSUN, quality excellence is our unwavering commitment. We believe that only through continuous improvement and rigorous quality control can we truly satisfy our end customers, foster long-term partnerships, and create lasting value for both our clients and our company. Our comprehensive quality management system oversees every stage of the production process—from material selection and tooling design to injection molding, assembly, and final inspection. Our facility is equipped with state-of-the-art testing and measurement instruments, including coordinate measuring machines (CMM), fully automated optical 2D inspection systems, RoHS analyzers, tensile testers, and HP-200 spectrophotometers for precise color evaluation. Every finished product undergoes 100% inspection to ensure the highest standards of precision, durability, and reliability, consistently achieving zero customer complaints and reinforcing EPPOSUN’s reputation for manufacturing excellence.

Full inspection report

Production process specification

IPQC

SOP

IPQC

Production daily report

Quality
Contact us

Raw material inspection report 

Production & Delivery Timeline Review

New Project

Kickoff Review

DFM Review
Customer Approval of DFM & Design

3D Structure

Review

Customer Final 3D Model Approval

Product Delivery & Logistics

 Final Pre-Shipment Inspection (PSI)
 In-Process / Random QC Inspection
Sign-off of Production Samples

Quotation

Confirmation

At EPPOSUN, quality is implemented in accordance with ISO9001, ISO14001, and ISO13485 standards, with quality considerations integrated throughout every stage of product realization. In addition to ensuring product precision and reliability, we maintain strict schedule management, monitoring each process step to guarantee timely delivery. By combining rigorous quality control with effective time management, EPPOSUN ensures that every project meets both the highest quality standards and agreed-upon delivery timelines.
Delivery & Quality Guarantee

 First Article

 (Batch) Inspection (FAI)

Mold Inspection & Approval

Sample Approval

& Sign-off

Design Modification Review

QC Sample

Testing

Customer Schedule Confirmation
Incoming Material Inspection