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Quality Control
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Section 1: Our quality management system

  • IATF16949:2016: Strictly for Automotive Wire Harnesses. 
  • IPC/WHMA-A-620: The global standard for cable assembly workmanship. 
  • Traceability: Every batch is traceable from raw material to finished goods.
Section 2: Whole process quality control
IQC (Incoming Quality Control) 
  • Raw material inspection (Terminal/Wire/Housing). 
  • XRF Testing for RoHS compliance.
 
IPQC (In-Process Quality Control) 
  • First Article Inspection (FAI). 
  • Crimping height & pull force monitoring. 
FQC (Final Quality Control)
  • 100% Electrical Test (Open/Short/Miswiring).
  • CCD Visual Inspection. 
 
OQC (Outgoing Quality Control)
  • Package & Label check before shipment.
 
Section 3: Our Laboratory

2D Vision Measuring System

A 2D vision measuring system is used for fast, non-contact measurement and dimensional inspection of parts to ensure manufacturing quality and accuracy.

Digital LCR Meter

A digital bridge tester is used to measure connector resistance and insulation integrity to ensure electrical reliability.

Terminal Cross-section Analysis

Salt Spray Test Chamber

A salt spray test chamber is used to evaluate connector corrosion resistance and ensure long-term reliability in harsh environments.

X-ray Inspection Machine

An X-ray inspection system is used to detect internal defects such as improper crimping, voids, or hidden assembly issues without damaging the connector& wire harness.

Vibration Testing Machine

A vibration test system is used to simulate mechanical stress and verify connector durability and reliability under vibration conditions.
 

Automatic Mating/Unmating Test Machine

An automatic plug/unplug tester is used to verify connector durability and performance by simulating repeated mating and unmating cycles.

Temperature Rise Test Bench

A temperature rise test system is used to verify connector safety by measuring temperature increase under rated current to ensure electrical reliability and compliance.

Air Leak Tester

A leak test system is used to verify connector sealing performance by detecting air or gas leakage to ensure waterproof and airtight reliability.
 

Temperature & Humidity Chamber

A temperature & humidity chamber is used to test wire harness&connectors’ performance and reliability under controlled heat, cold, humidity conditions.
Section 4: Quality Targets (PPM Data)
Give the customer a promise and reassure him.
< 0.1%
Customer Complaint Rate
> 98%
On-Time Delivery Rate
100%
FQC Pass Rate

OQC Wire Harness Test Station

A wire harness test system is used for final inspection to verify electrical continuity, short circuits, miswiring, and overall functionality before shipment.

YZCONN Certificate

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