End-to-end quality assurance
Yiwei waterproof connector environmental testing

Quality & Certifications

Quality is at the core of everything we do — from supplier management to in-process control to 100% pre-shipment testing.

RoHS & REACH IPC-A-610 IPC/WHMA-A-620 Class A taxpayer
Compliance

Tested, certified, and traceable

Material compliance, workmanship standards and traceable records form a quality foundation that can be verified.

RoHS & REACH

All materials free of restricted substances.

IPC-A-610 / IPC/WHMA-A-620

Electronics assembly & cable harness workmanship standards.

Class A taxpayer

A-rated tax credit in 2022 and 2023.

Quality process

Five-stage quality control

Control spans supplier approval, manufacturing, reliability validation and delivery, with evidence retained at every critical gate.

  • IQC — Incoming Quality Control. All raw materials and components inspected against approved specs before entering the line.
  • IPQC — In-Process Quality Control. First-article and in-process inspections at each critical stage of assembly.
  • OQA — Outgoing Quality Audit. Pre-shipment testing including hipot, continuity, and IP rating verification on every unit.
  • Reliability testing. Salt spray, vibration, and thermal cycling on every production batch.
  • Traceability. Batch records, batch numbers, and material certificates retained for every shipment.

5

quality control stages

100%

pre-shipment testing

Every lot

production traceability

On request

compliance documents

A grade

tax credit rating

Need quality documentation?

We can provide material certificates, RoHS/REACH statements, IPC compliance reports, and batch records on request.

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