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Leading the Way in Quality Control

Every product from Wellworth is 100% strictly tested.

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Total Quality Control Standard

4 Quality Classification

OEM NEW

Original and new from the original manufacturer

OEM USED

Refurbished from originally used parts through replacing, cleaning, oxidizing, and polishing

Original Material

Made from original materials and assembled by a third party factory

Aftermarket

Materials compatible with the original and assembled by a third party factory

4 Quality Control Levels

4S

Top-tier quality, meeting the highest standards on the market.

Typically supplied to telecom operators and professional refurbish customers.

3S

Above-average quality, with a strong focus on reliability.

Commonly chosen by chain stores and wholesale clients.

2S

Standard quality, dependable and sufficient for everyday use.

Suitable for repair shops and distributors.

1S

Price oriented below average.

Often preferred in cost-sensitive markets and developing countries.

Wellworth Quality Control Process

Each product undergoes thorough inspections and evaluations to guarantee it meets the highest standards. We make sure every purchase delivers the quality you can rely on.

Aging Test

(Test conditions: -20℃/2Hrs, +55℃55%RH/2Hrs,+55℃/4Hrs)

aging test

Appearance Test

Appearance Test

Fitment Test

Fitment Test

Display Test

display test

Function Test

Function Test

Aging Test

aging test

Appearance Test

appearance test

Quality Test

Quality Test

Function Test

Function Test

Appearance Test

small parts appearance test

Functions Test