YOULEN

Quality & testing

Quality controlled from configuration to finished card.

Quality control connects configuration review, production control, finished-card testing, traceability and after-sales support in one supply process.

YOULEN product testing workflow with real equipment and operators
Real testing workflowTemperature, compatibility and finished-card checks

Connected quality control

A practical quality gate for device-ready memory card supply.

Agreed requirements stay connected to finished-card testing, traceability and after-sales support.

Configuration review

The device, workload, capacity and application requirements form the supply brief.

Production control

The selected product and order requirements stay connected to the production process.

Finished-card testing

Capacity, performance and functional checks provide a technical gate before delivery.

Traceability & support

Order and batch records support responsive after-sales handling.

Before shipment

Every card is fully tested before shipment.

Full testing is a standard step for every card we ship. The station shown here is part of our finished-card testing workflow.

Alongside card testing, our camera and dashcam racks run loop recording tests, continuously recording and overwriting earlier footage.

Plan validation in your device
Test status displayed above the card slots at a YOULEN memory card testing station
A card testing station at YOULEN.

Validation belongs to the device

Use the intended host, firmware and workload.

Sample and small-batch testing before repeat supply

Capacity and performance checks on finished cards

Application inputs connected to the order record

Issue handling supported by order and batch details

Use the device validation checklist failure intake and RMA evidence checklist

Company credential documents

Certificates and test documents

These certificates cover company management systems, not each card’s performance. Open a copy to check its scope and dates.

Tell us the destination market and which product documents you need. We will check which documents apply to the selected card configuration.

YOULEN ISO 9001 quality management system certificate in English
ISO 9001:201529026Q00527R001 · Expiry shown on certificate: Design, production and sales of flash memory products.
YOULEN IATF 16949 quality management system certificate in English
IATF 16949:2016NQA T181937 / IATF 0493111 · Expiry shown on certificate: Manufacture of memory devices; product design excluded.
Industry credentials

SD Association membership and SD-3C licensing.

Shenzhen Youlen Electronics Co., Ltd. is listed as a member of the SD Association. Shenzhen Youlin Semiconductor Co., Ltd. is listed as a current SD-3C Card License Agreement (CLA) licensee.

Before ordering samples

Is every card tested before shipment?

Yes. Every card is fully tested before shipment. Finished-card checks include bad-block and speed checks.

Read the supply details

Official SD Association member listOfficial SD-3C licensee list

Start with the application

Working on another device?

A suitable starting configuration may already be available. Project-specific options can be prepared when needed.

Tell us about your application