Welcome to the official website of ESTL!

When you do battery UN38.3 certificationAre you worried about these problems?


Worried that the certification company is not qualified?
Worried that there is no professional guidance?
Worried about the lack of experience of certified engineers?

02Long cycle

Worried that taking the license is too long?
Worried about testing but extending the cycle?
Worried about delaying product shipments?

03Waste money

Worried about ramping up test fees?
Worried that there is no preferential certification scheme?
Worry about spending money and worry about yourself?

04Poor service

Worried about the difficulty of consulting docking?
Worried that case communication is not in place?
Worried that after-sales service is ignored?

ESTL Serve for you!

  • 30,000Battery Test Base
  • 300peopleProfessional Technical Team
  • 24hourEfficient operation test
  • 3257companyLong-term service providers
Customer Hot Line 400-755-8988 Q Q Message

ESTL provides UN38.3 full set of services

Escort your battery products to the global market

Authorized Accreditation Laboratory

National Certification, Local Testing, Fast Certification

UN38.3 Certification 6 Advantages

UN38.3 certification, seaborne and air transport unimpeded
  • 01Experience in the industry

    Over 12 Years'Experience in Battery Certification and Testing Industry
    Keep an eye on global trends in battery certification
  • 03Strong certification strength

    DGM Authorizes UN38.3 Certified Laboratory
    Equipped with T1-T8 complete set of precision testing equipment
  • 05Fast issuance of certificates

    7 days certificate issuance, can be accelerated, no delay in delivery
    Test-rectification-certification, smooth process
  • 02Short test cycle

    30,000㎡ Battery Testing Laboratory Base
    7*24H operation, test cycle is guaranteed
  • 04Prices are more favorable

    Customer service 5 seconds response, 15 minutes quotation
    Free evaluation of product structure by engineers
  • 06Service is more intimate

    1 to 1 technical guidance, door-to-door communication
    Certificate expiration automatic reminder, more reassuring

Over 12 years's industry experience

630 battery testing equipment, data standard

Senior expert team

Senior Certification and Testing Experts Serve You One-to-One

Consultation Hotline


Welcome to contact us!

Major institutions and ESTL

UL,TÜV, KTC, KTR, DGM, ITS and other major global institutions authorized accreditation

ESTL Certification Project

One-stop Authentication and Detection Service Platform

Battery Authentication Testing, Please Accept ESTL

Message now, engineer 1 to 1 technical guidance!
Service Hotline400-755-8988
Address: 2st floor, B Area, Jinbaisheng Industrial Park, Headquarters 2 Road, Songshan Lake Hi-tech Industrial Development Zone, Dongguan City, Guangdong Pr., China. Telephone: 13925598091 Fax: 0769-8507-5898 Mailbox: net03@gtggroup.com
Wechat Public Number

Focus on Wechat
Public Number


7*24-hour service hotline



二维码Focus on Wechat