“ I paid for testing, but my documents got instantly rejected during upload! ”“ I chose a cheap lab, only to find TEMU doesn’t accept the report — thousands of yuan wasted… ”

Recently, complaints like these have flooded cross-border e-commerce seller communities.As TEMU (Pinduoduo’s global marketplace) exponentially strengthens product compliance supervision, the platform’s requirements for test reports have become stricter than ever.

Especially for high-voltage products (working voltage ≥ 36V) sold on the TEMU US site, the platform clearly mandates that sellers must upload UL, CSA, or ETL reports issued by approved laboratories.The critical point is: not any third-party report is valid.

As of January 2026, only 22 authorized institutions are officially recognized by TEMU for high-voltage products.If your lab is not on this official whitelist, your report will be worthless — and you will miss valuable selling windows.

Today, we deeply decode this list, and explain why Guangdong ESTL Technology Co., Ltd. (ESTL) — included in the list — is your most reliable compliance partner for the TEMU US marketplace.

1. Why TEMU US Only Accepts UL / CSA / ETL Reports?

On the TEMU US site, electrical and electronic products — especially high-voltage items — are heavily inspected.The U.S. market enforces extremely strict consumer safety regulations, with severe penalties and recalls from the CPSC (U.S. Consumer Product Safety Commission).

To manage risks and ensure full compliance, TEMU requires high-voltage products to provide reports from one of three globally trusted certification systems:

• UL: Underwriters Laboratories Inc. — the most authoritative safety testing body in the U.S.
• CSA: Canadian Standards Association — widely recognized and accepted across North America.
• ETL: Issued by Intertek — a major competitor to UL with equivalent market acceptance in the U.S.

TEMU only accepts reports from pre-approved labs to eliminate fake reports, fraudulent documents, and non-standard testing risks.Issuing labs must hold official accreditation and be registered in TEMU’s official service marketplace.

2. Official Whitelist: 22 Authorized Labs for TEMU US High-Voltage Products

(Updated January 2026)According to TEMU’s latest policies and industry data, only these 22 institutions can issue valid UL/CSA/ETL reports for high-voltage products on the TEMU US site.

1. Intertek
2. Bureau Veritas (BV)
3. SGS
4. TÜV SÜD
5. TÜV Rheinland
6. Eurofins
7. UL Solutions
8. QIMA
9. CVC
10. NTEK
11. CCIC-SET
12. CTI
13. DEKRA
14. CQC
15. STU
16. ALPHA
17. WALTEK
18. PTC
19. VDE
20. TOBY
21. Waltek (Foshan)
22. Guangdong ESTL Technology Co., Ltd. (ESTL)

Among them, ESTL stands out as a professional focused on batteries, energy storage, and new energy products.

3. Why Choose ESTL as Your TEMU Compliance Partner?

While not the oldest name on the list, ESTL is the most specialized in batteries and energy storage and deeply understands TEMU sellers’ pain points.

1. Top Accreditation — Beyond TEMU Whitelist

ESTL is part of the GTG Group.We are not only a TEMU-authorized lab but also accredited by:

• CNAS (L13753, IB1376)
• CMA (202019014977)
• CQC, IECEE
• UL, TÜV, Eurofins

Reports issued by ESTL are accepted by TEMU and recognized in over 100 countries via the ILAC-MRA arrangement — ideal for multi-market expansion.

2. Specialized Expertise — 30,000 ㎡ Lab Focused on Batteries

ESTL is a “specialized & precise” testing institute, not a generalist lab.We operate a 30,000 ㎡ testing base in Songshan Lake, Dongguan, with over 2,000 sets of advanced equipment.

We specialize in:

• Consumer batteries (power banks, 18650 cells)
• Power & energy storage batteries (power tools, jump starters)
• E-mobility (e-bikes, scooters)

We have extensive experience in TEMU US high-voltage standards:UL 2054, IEC 62133, UL 1973, UL 9540A, etc.

3. High Efficiency — Local Service, Faster Certification

For TEMU sellers, time = revenue.Our local engineering team provides one-on-one support, including:

• Pre-test evaluation
• Early design review
• Rapid problem-solving

This greatly reduces retesting delays and extra costs.

4. GTG Group Support — One-Stop Solution

As a core business unit of GTG Group, ESTL provides integrated services including EMC, RF (Bluetooth/WiFi), and FCC ID certification — no need to coordinate with multiple labs.

4. 3 Golden Rules to Avoid Wasted Testing Costs

Follow these rules to ensure your report passes TEMU review:

Rule 1: Verify the Whitelist

Before testing, confirm the lab is on the official 22-list or can show TEMU service marketplace registration.

Rule 2: Ensure 100% Information Consistency

Mismatched company name, model, or product photos is the top rejection reason.All details must exactly match your TEMU store and business license.

Rule 3: Use the Correct Standard

For TEMU US high-voltage products, use UL, CSA, or ETL (U.S. standards).EU reports like CE-LVD will be rejected.

5. Conclusion: Compliance Is Not a Cost — It’s a Survival Requirement

In TEMU’s era of strict compliance, safety certification is no longer optional.It is a threshold that determines whether your store survives.

Partnering with ESTL — a TEMU whitelist lab with CNAS, UL, TÜV accreditations and a 30,000 ㎡ professional lab — is your strongest guarantee for smooth listing and stable sales.

Don’t risk listing removal or store suspension to save a small amount on testing.Choose ESTL — choose a genuine TEMU pass.

Guangdong ESTL Technology Co., Ltd. (ESTL)Guard the safety of every battery.Your trusted global market access partner.