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GTG Group is among the most respected and reputable testing, inspection and certification company in China and is accredited by world famous local and international certification bodies that includes: IECEE, UL, A2LA, NVLAP, ITS (Intertek), KTC, TÜV, Eurofins, CNAS, CMA, CQC.

Why laboratory accreditation is important?

Laboratory accreditation is a means of assuring quality in laboratory services. The process involves assessing the laboratory's technical competence, management system, and the quality of results produced. Accredited laboratories are required to operate according to recognized standards and guidelines, ensuring that the laboratory is competent and capable of delivering accurate and reliable results, protecting the laboratory, customers, and the public.

Furthermore, organizations will not spend time and money on testing and approvals in each country in which they sell. Recognized international standards allows organizations from all over the world to more easily sell their products and services in other countries as global standards equate to international acceptance of test data.

Your reliable certification partner globally

To become accredited to a standard, GTG Group laboratories will under assessment by world famous local and international accreditation bodies such as A2LA, UL, TÜV, NVLAP..., to ensure all the requirements of the standard are met.

About GTG Group

GTG Group is formed by 4 subsidiaries. Each of these subsidiaries has a unique role to play in the overall success of the Group Company, they also collaborate with each other to share technologies, resources and expertise to achieve economies of scale and increase efficiency, maintaining GTG Group's competitive edge. Our subsidiaries:

  • Guangdong GTG Testing Technology Co., Ltd. (formerly Anci)
  • Guangdong Meide Testing Technology Co. Ltd.
  • Guangdong ESTL Technology Co., Ltd.
  • Guangdong Global Testing Technology Co., Ltd.
Guangdong GTG Testing Technology Co., Ltd. (Anci)

Founded in 2004, Anci specializes in power supply testing and certification services, providing reliable and efficient testing solutions to clients across the globe. The company has a team of highly qualified engineers, who have extensive knowledge and experience in power supply testing and certification. With its state-of-the-art testing laboratory, highly qualified engineers, and commitment to quality, the company provides a range of services to ensure that your products meet all the necessary standards and regulations. Its innovative approach and personalized solutions make it a reliable and trustworthy partner for businesses of all sizes. If you are looking for a reliable and efficient power supply testing and certification company in China, look no further than this company.

This laboratory is accredited in accordance with the recognized International Standard ISO/IEC 17025:2017 General requirements for the competence of testing and calibration laboratories. This accreditation demonstrates technical competence for a defined scope and the operation of a laboratory quality.

Certificate Number: 4422.01
Valid to: February 28th, 2026

The company has been assessed and found to comply with the relevant requirements of ISO/IEC 17025 and the Intertek Global Recognized Test Laboratory Policy Manual and accepted by Intertek as a Level 1:
Recognized Test Laboratory
under the Test Data Acceptance for the ETL and S-Mark and is authorized to perform test work for the product types identified on the endorsement to this Testing Site Acceptance.

Acceptance Number: 2023-RTL-L1-HK-0056
Issue Number: 006
Issue Date: December 29th, 2023
Expiry Date: December 28th, 2024

To participate in the IECEE CB Scheme - IEC System of Conformity Assessment Schemes for Electrotechnical Equipment and Components(IECEE), the company has been assessed and determined to fully comply with the requirements of ISO/IEC 17025:2017, the Basic Rules, IEC CA 01 and IECEE 01-S, Rules of Procedure IECEE 02, and the relevant IECEE CB-Scheme Operational Documents, as valid at the date of the assessment.

The company is therefore entitled to operate as a CB Testing Laboratory (CBTL) under the responsibility of UL (Demko) as National Certification Body (NCB) and to carry out testing within the IECEE CB Scheme for the Scope (Product Category(ies) and Standard(s)) as listed in the relevant part of the IECEE Web Site at www.iecee.org, and is subject to all other terms as set forth in the IECEE Basic Rules and Rules of Procedure.

The IECEE membership status of this CBTL can be verified on the aforementioned site.

Accepted Since: January 27th, 2015
Date of Issue: March 8th, 2021

The company is accredited by the California Energy Commission (CEC) for providing certification services for central air conditioners, computers, electronics, fans and dehumidifiers, heating products, lighting products, motor and compressor products, refrigeration products, transformer products and water heater products.

The above CBTL and staff have been assessed in accordance with the IECEE Peer Assessment Program and found to comply with the requirements of the latest editions of the Basic Rules IEC CA 01,Rules of Procedure IECEE 02 and applicable requirements of ISO/IEC 17025 as specified in the IECEE Operational Documents for the testing of defined electrotechnical equipment and components under the IECEE CB Scheme.

The laboratory has been found eligible for participation as IECEE CBTL under the supervision of UL Solutions(Demko)acting as the NCB.

Issued on: October 18th, 2023
Certificate expires: September 30th, 2024

The laboratory above has been assessed and found to comply with the applicable requirements of ISO/IEC 17025 In accordance with UL’s Data Acceptance Program (DAP) and has been qualified as a DAP participant. The laboratory is hereby authorized to submit testing data to UL for product certification purposes as allowed by the schemes and for the product types and standards identified in the DAP Scope.
Third Party Test Data Program (TPTDP)

DA File: DA1248
Issued: October, 20th, 2023
Expires: September 30th, 2024

UL International Demko A/S is pleased to present this plaque to Laboratory 116 to congratulate the company for having been assessed and found eligible to participate as a GS Testing Laboratory under the responsibility of UL International Demko A/S

Scope: A-8 and A-9 Einrichtungen der Informationstechnik, EN IEC 62368-1

The status of GS Laboratory is determined by the ZLS authorization and not this plaque.

Issued Date: May 24th, 2024

The company has been accepted by TÜV SÜD Certification and Testing (China) Co., Ltd. Shenzhen Branch (On behalf of TÜV SÜD Certification and Testing (China) Co., Ltd. Guangzhou Branch TÜV SÜD Hong Kong Ltd.) for cooperating in on-site witness projects according to the following standards:

EN IEC 55015, EN IEC 61000-3-2, EN 61000-3-3, EN 61547, ETSI EN 300328, ETSI EN 301489-1, ETSI EN 301489-17, EN IEC 62311, EN 62479, EN 50663, EN 50665

This document states that the above named company is included in the TÜV SÜD PRODUCT SERVICE GROUP (TÜV SÜD) Listing of Recognized Laboratories and is qualified in compliance with the TÜV SÜD External Test Laboratory (ETL) program for the mutually agreed product categories and/or standards. As far as the testing facilities meet the relevant requirements of this program and the tests of the projects are conducted under the supervision and witness of the engineer(s) of TÜV SÜD Certification and Testing (China) Co., Ltd. Shenzhen Branch or other 2 TÜV SÜD offices in South China Region, the test results can be used as a basis for a TÜV SÜD certification.

Attestation No.: SCN1467
Date of Issuance: September 25th, 2023
Expiration Date: September 24th, 2024

The company has been accepted by TÜV SÜD Certification and Testing (China) Co., Ltd. Shenzhen Branch (On behalf of TÜV SÜD Certification and Testing (China) Co., Ltd. Guangzhou Branch TÜV SÜD Hong Kong Ltd.) for cooperating in on-site witness projects according to the following standards:

IEC/EN 60065, IEC/EN 60335-1, IEC/EN 60335-2-8, IEC 60335-2-12, IEC 60335-2-15, IEC/EN 60335-2-29, IEC/EN 60335-2-30, IEC 60335-2-76, IEC/EN 60335-2 80, IEC 60335-2-98, IEC/EN 60950-1, IEC/EN 61347-1, IEC/EN 61347-2-13, IEC/EN 61558-1, IEC/EN 61558-2-6, IEC/EN 61558-2-7, IEC/EN 61558-2-16, IEC/EN 62368-1

This document states that the above named company is included in the TÜV SÜD PRODUCT SERVICE GROUP (TÜV SÜD) Listing of Recognized Laboratories and is qualified in compliance with the TÜV SÜD External Test Laboratory (ETL) program for the mutually agreed product categories and/or standards. As far as the testing facilities meet the relevant requirements of this program and the tests of the projects are conducted under the supervision and witness of the engineer(s) of TÜV SÜD Certification and Testing (China) Co., Ltd. Shenzhen Branch or other 2 TÜV SÜD offices in South China Region, the test results can be used as a basis for a TÜV SÜD certification.

Attestation No.: SCN1471
Date of Issuance: October 27th, 2023
Expiration Date: October 26th, 2024

The Government of the Hong Kong Special Administrative Region Electrical and Mechanical Services Department Electrical Products (Safety) Regulation (Cap.406 Sub.Leg.) Certificate of Recognized Certification Body

The company is registered as a Recognized Certification Body and has been included in the register of recognized certification body maintained by this Department under the Electrical Products (Safety) Regulation (Cap.406 Sub.Leg.).

Registration Number: ARCB0176
Date of Issue: November 7th, 2023

The company has successfully performed testing to the Standard(s) listed below and had data accepted by UL under the Witnessed Test Data Program (WTDP) as deseribed within the referenced project's datasheets.

4790017955 - UL 62368-1, 2nd ed. - Juy 08 - 09, 2021
4790017955 - CAN/CSA No. 62368-1-14, 2nd ed. - Juy 08 - 09, 2021
4789978186 - UL 60950-1, 2nd ed. - June 10 - 11, 2021
4789978186 - CAN/CSA C22.2 No. 60950-1-07, 2nd ed. - June 10 - 11, 2021

The company hasuccessfully performed testing to the Standard(s) listed below and had data accepted by UL under the Witnessed Test Data Program (WTDP) as described within the referenced project's datasheets.

4789843919 - Standard: UL 1310 STANDARD FOR CLASS 2 POWER UNITS - Edition 7, and CSA C22.2 NO.223 POWER SUPPLIES WITH EXTRA-LOW-VOLTAGE CLASS 2 OUTPUTS - Edition 3 - Date of testing: 2021-03-16, 2021-03-17.

The company has successfully performed testing to the Standard(s) listed below and had data accepted by UL under the Witnessed Test Data Program (WTDP) as described within the referenced project's datasheets.

Project Number: 4790500888
Testing Performed: UL/CSA C22.2 No.61010-1, UL/CSA C22.2 No.61010-2-201
Date(s) of Testing: Oct. 28, 2022

The CNAS Certificate of Laboratory Accreditation is an official document and is one of the most recognized and essential accreditation certificates in China that certifies that a laboratory has met the requirements of the ISO/IEC 17025 standard, which outlines the general requirements for the competence of testing and calibration laboratories.

The company is accredited in accordance with ISO/IEC 17025:2017 General Requirements for the Competence of Testing and Calibration Laboratories (CNAS-CL01 Accreditation Criteria for the Competence of Testing and Calibration Laboratories) for the competence to undertake the service described in the schedule attached to this certificate.

Registration No.: CNAS L6214
Effective Date: February 28th, 2024
Expiry Date: May 22th, 2028

The China Inspection Body and Laboratory Mandatory Approval (CMA) program is a mandatory certification system established by the Chinese government to regulate the quality of inspections and testing conducted by laboratories and inspection bodies. The program aims to ensure that these entities meet specific requirements for competence, impartiality, and confidentiality.

Upon examination, your institution has possessed the basic conditions and capabilities required by the relevant national laws and administrative regulations. Now, you are approved to issue data and results with the function of certification to the public. Hereby certify. This accreditation includes the metrology accreditation of the inspection and testing institution.

Certificate No.: 201819013768
Issuing Date: February 5th, 2024
Valid to: November 27th, 2024

Guangdong Meide Testing Technology Co. Ltd.

Founded in 2017, Meide is a third-party testing and certification organization that provides lighting products testing, certification, and consulting services in China. The company has played a crucial role in helping manufacturers and importers meet regulatory requirements and international standards, thus ensuring that their products are safe for use. If you are in the lighting industry and need testing and certification services, this company is definitely worth considering.

The company is accredited by the National Voluntary Laboratory Accreditation Program for specific services, listed on the Scope of Accreditation,for: Energy Efficient Lighting Products

This laboratory is accredited in accordance with the recognized International Standard ISO/IEC 17025:2017. This accreditation demonstrates technical competence for a defined scope and the operation of a laboratory quality management system (refer to joint ISO-ILAC-IAF Communique dated January 2009).

NVLAP Lab Code: 600177-0
Effective Dates: 2022-03-08 through 2023-03-31

The company is accredited by the California Energy Commission (CEC) for providing certification services for lighting products.

Application # Approved Date
APP12213 12/19/2019
APP9791 12/02/2018
APP14540 01/07/2021
Approved Appliance Types and Test Methods

Appliance Type Test Method
Ceiling Fan Light Kit Ceiling Fan Light Kits {10 C.F.R. § 430.23(x) (Appendix V to Subpart B of part 430)}
Lamps Lamps – non-CFLs {10 C.F.R. Section 430.23(r) (Appendix R to Subpart B of part 430)}
Portable Luminaire LED Luminaires using LED Lamps & Light Engines (IES LM-79-08),LED Luminaires using LED Lamps & Light Engines (California Joint Appendix JA8 – 2008)
State-regulated Light Emitting Diode Lamp Title 24, part 6, Joint Appendix 10 (2015), tested at both 100% and 20% output,Title 24, part 6, Joint Appendix 8 (2015), ENERGY STAR Recommended Practice – Noise (2013) with the following modification: measurements shall be taken at 100 percent output as well as at 20 percent output if dimmable., 10 C.F.R. section 430.23(ee) and Appendix BB to Subpart B of Part 430

The company has successfully performed testing to the Standard(s) listed below and had data accepted by UL under the Witnessed Test Data Program (WTDP) as described within the referenced project's datasheets.

  • Project 4789180235, date(s)of testing 2019-11-02 to 2020-03-02, including the follow standard:
    UL8800, EDITION 4, REVISED DATE 08/28/2018.
  • Project 4789470822, date(s) of testing 2020-06-12 to 2020-07-08, including the follow standard:
    UL1598, EDITION 3, REVISED DATE 10/17/2012 and UL8750 EDITION 2, REVISED DATE 04/28/2020.
  • Project 4789296817, date(s)of testing 2020-02-01, 2020-02-14 to 2020-02-28, including the follow standard:
    UL8750, EDITION 2, REVISED DATE 10/11/2019.
  • Project 4789452936, date(s)of testing 2020-04-30, 2020-05-06, 2020-06-05 including the follow standard:
    UL153, EDITION 13, REVISED DATED 07/27/2018.
  • Project 4789680581, date(s)of testing 2020-10-29, including the follow standard:
    UL 1993, EDITION 5, REVISION DATE 08/06/2018 and CSA C22.2 No.1993, EDITION 3, REVISION DATE 08/06/2018
  • Project 4789587770, date(s)of testing 2020-08-18, including the follow standard:
    UL8750 EDITION 2, REVISED DATE 04/28/2020.
  • Project 4789745116, date(s)of testing 2020-12-14, including the follow standard:
    UL935, EDITION 10, REVISED DATE 12/18/2018.

The company has been assessed and found to comply with the relevant requirements of ISO/IEC 17025 and the Intertek Global Recognized Test Laboratory Policy Manual and accepted by Intertek as a Level 1:
Recognized Test Laboratory
under the Test Data Acceptance for the ETL/cETL Mark & LVD and is authorized to perform test work for the product types identified on the endorsement to this Testing Site Acceptance.

Acceptance Number: 2023-RTL-L1-HK-0065
Issue Number: 005
Issue Date: June 2nd, 2023
Expiry Date: June 1st, 2024

The CNAS Certificate of Laboratory Accreditation is an official document and is one of the most recognized and essential accreditation certificates in China that certifies that a laboratory has met the requirements of the ISO/IEC 17025 standard, which outlines the general requirements for the competence of testing and calibration laboratories.

The company is accredited in accordance with ISO/IEC 17025:2017 General Requirements for the Competence of Testing and Calibration Laboratories (CNAS-CL01 Accreditation Criteria for the Competence of Testing and Calibration Laboratories) for the competence to undertake the service described in the schedule attached to this certificate.

Registration No.: CNAS L13446
Effective Date: August 17th, 2020
Expiry Date: August 16th, 2026

The China Inspection Body and Laboratory Mandatory Approval (CMA) program is a mandatory certification system established by the Chinese government to regulate the quality of inspections and testing conducted by laboratories and inspection bodies. The program aims to ensure that these entities meet specific requirements for competence, impartiality, and confidentiality.

Upon examination, your institution has possessed the basic conditions and capabilities required by the relevant national laws and administrative regulations. Now, you are approved to issue data and results with the function of certification to the public. Hereby certify. This accreditation includes the metrology accreditation of the inspection and testing institution.

Certificate No.: 202019014890
Issuing Date: February 19th, 2020
Valid to: February 18th, 2026

Guangdong ESTL Technology Co., Ltd.

Founded in 2019, ETSL is a leading lithium battery, electric bicycle, electric scooter testing and certification company based in China. The company offers a wide range of services to ensure that the products meet the necessary standards and regulations for safe and reliable use. With years of experience and a team of experts, the company has established itself as a reliable partner for many businesses and industries looking to test and certify their lithium batteries, electric bicycle and electric scooter.

This laboratory has been granted by China Quality Certification Centre (CQC) as subcontracted testing laboratory.

The China Quality Certification Centre (CQC) is a renowned certification body in China. It is responsible for providing certification services for products, management systems, and personnel. The CQC is accredited by various accreditation bodies, such as China National Accreditation Service (CNAS) and International Accreditation Forum (IAF). The CQC's certifications are recognized by various countries and regions, such as the European Union, the United States, and Japan. The CQC's certifications have also helped Chinese companies to enter the international market by meeting the international standards.

Valid to: August 31st, 2025

The company has been designated as a Qualified Laboratory for safety testing of:

Standards: UL1642, UL2054, UL2056, UL62133-1, CSAC22.2No.62133-1, UL62133-2, CSAC22.2No.62133-2, UL2580, UL1973, UL62368-1, CSA C22.2 No.62368-1

Under the Partner Test Laboratory Program. An audit was performed against the requirements of TRNA MS-0004326.

Valid to: April 13rd, 2023
Issued Date: April 14th, 2022

The company has successfully performed testing to the Standard(s) listed below and had data accepted by UL under the Witnessed Test Data Program (WTDP) as described within the referenced project's datasheets.

Project: 4789742103, dated of testing 2020-12-02, Including the follow standard:

  1. UL1642, EDITION 6, ISSUE DATE 09/29/2020.
  2. UL2054, EDITION 2, REVISION DATE 09/14/2011.
  3. UL2056, EDITION 3, ISSUE, DATE 08/20/2020.
  4. UL/ULC 62368-1, EDITION 3, ISSUE DATE 12/13/2019 (LIMITED IN BATTERY PRODUCT).
  5. UL/ULC 2271, EDITION 2, DATED 09/07/2018.
  6. UL/ULC 2272, EDITION 1, REVISION DATE 02/25/2019.
  7. UL/ULC 2849, ED1TION1, 01/02/2020.
  8. UL/ULC 2580, EDITION 3, 03/11/2020, ANNEX B ANNEX D (LIMITED IN BATTEYR CELL).
  9. UL/ULC 1973, EDITION 2, 02/07/2020.ANNEX E (LIMITED IN BATTEYR CELL).

To participate in the IECEE CB Scheme - IEC System of Conformity Assessment Schemes for Electrotechnical Equipment and Components(IECEE), the company has been assessed and determined to fully comply with the requirements of ISO/IEC 17025:2017, the Basic Rules, IEC CA 01 and IECEE 01-S, Rules of Procedure IECEE 02, and the relevant IECEE CB-Scheme Operational Documents, as valid at the date of the assessment.

The company is therefore entitled to operate as a CB Testing Laboratory (CBTL) under the responsibility of UL (Demko) as National Certification Body (NCB) and to carry out testing within the IECEE CB Scheme for the Scope (Product Category(ies) and Standard(s)) as listed in the relevant part of the IECEE Web Site at www.iecee.org, and is subject to all other terms as set forth in the IECEE Basic Rules and Rules of Procedure.

The IECEE membership status of this CBTL can be verified on the aforementioned site.

Accepted Since: May 8th, 2021
Date of Issue: May 8th, 2021

Upon examination, your institution has possessed the basic conditions and capabilities required by the relevant national laws and administrative regulations. Now, you are approved to issue data and results with the function of certification to the public. Hereby certify. This accreditation includes the metrology accreditation of the inspection and testing institution.

Certificate No.: 202019014977
Issuing Date: April 20th, 2020
Valid to: April 19th, 2026

The company is accredited in accordance with ISO/IEC 17025:2017 General Requirements for the Competence of Testing and Calibration Laboratories (CNAS-CL01 Accreditation Criteria for the Competence of Testing and Calibration Laboratories) for the competence to undertake the service described in the schedule attached to this certificate.

Registration No.: CNAS L13753
Effective Date: October 27th, 2020
Expiry Date: October 26th, 2026

Eurofins Business Collaboration (Under Renewal)

This certificate acknowledges that the company has demonstrated a commitment to do business development for Eurofins electrical and electronics product safety certifications and wireless compliance approvals in China region.

The company has been authorized to promote Eurofins E&E below approvals in China region:

  • MET in Canada & USA
  • ISED
  • FCC
  • IEC/IECEE
  • CB
  • UKCA
  • NB 0980
  • TELEC
  • Eurofins Product Service
Guangdong Global Testing Technology Co., Ltd.

Founded in 2020, Global Testing Technology company has been a trusted partner for manufacturers, operators, and regulators around the world. The company offers a wide range of testing and certification services for wireless devices and applications. These services include RF testing, EMC testing, SAR testing in a wide range of industries, including telecommunications, medical devices, automotive, smart home, and more.

The company invest heavily in research and development to stay ahead of the curve in wireless technology. Up to now, the company has equipped with:

  • 10-meter anechoic chamber*1;
  • 3-meter anechoic chamber*4;
  • Shielding rooms and EMS anti-interference rooms*5;
  • Multiple sets of sophisticated Bluetooth, WIFI, mobile phone test equipment (such as WIFI 7 system using a full set of Rohde & Schwarz (R&S) equipment).
These high stability equipment provide a wide test capacity, accurate test data, and can be operated 24*7. The company's expertise in wireless testing and certification has made it a go-to partner for companies seeking to bring wireless devices and applications to market.

The company is accredited in accordance with ISO/IEC 17025:2017 General Requirements for the Competence of Testing and Calibration Laboratories (CNAS-CL01 Accreditation Criteria for the Competence of Testing and Calibration Laboratories) for the competence to undertake the service described in the schedule attached to this certificate.

Registration No.: CNAS L18872
Effective Date: August 17th, 2023
Expiry Date: August 16th, 2029

© 2012-2024 GTG Group. All rights reserved.

© 2012-2024 GTG Group. All rights reserved.